Planetary and Right Angle Gearboxes - · PDF filePlanetary and Right Angle Gearboxes 3...

Planetary and Right Angle Gearboxes

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Section Contents

Gearbox Range Overview ......................................................Page 32

Planetary Gearboxes Overview..............................................Page 33

Section Views ....................................................................Page 34

RGP40 Series ....................................................................Page 36

RGP60 Series ....................................................................Page 310

RGPN70 Series..................................................................Page 312

Bevel and Hypoid Gearboxes Overview ..............................Page 314

Hypoid Gearboxes ............................................................Page 316

Bevel Gearboxes ..............................................................Page 317

Epicyclic Modules Overview ..................................................Page 324

Epicyclic Modules ............................................................Page 326

Epicyclic Module Accessories ........................................Page 327

Custom Gearboxes Overview ................................................Page 328

Technical Information................................................................Page T31

ProductOverview

32

Gearbox Range

Contact us for product information, design support and custom [email protected] +44 (0) 1484 601002 www.reliance.co.uk

Gearboxes

Introduction to the range

Our standard product range includes planetary, bevel and hypoid gearboxes, which provide housed,modular solutions, as well as an epicyclic gear module, which can be used in single or multiple stacksto build a customised gearbox. We also provide design, manufacturing, assembly and test services tocreate custom gearbox solutions, designed to specification.

Bevel gearboxesPlanetary gearboxes

Customdesigned gearboxes

Epicyclic modules

Standard gearboxes

Custom gearboxes

Concept development and prototype

Gearboxes for harshenvironments

ProductOverview

33

Planetary Gearboxes


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Planetary gearboxes

Planetary gearboxes give the ability to increase the torque and lower the speed of an electric motor,such as a stepper motor, thereby transforming the power and improving control of an electromechanical system.

The Reliance planetary gearboxes offer low backlash, high torsionalstiffness, and high levels of efficiency, suitable for industrial automationapplications. They are ideally suited to working with the Reliance CoolMuscle intelligent servo system in high torque applications wherepositional feedback is important.

We offer 3 planetary gearboxes – the RGP40 and RGP60 provide acompact solution for integration with Reliance Cool Muscle, whilst theRGPN70 is for higher precision, higher stiffness, higher torque andlower backlash applications.

Industrial automationPharmaceutical testing equipment

Reliance Cool Muscle servo system

RGP60 seriesRGP40 series

SectionView

34

Planetary Gearboxes


Gearboxes

1 Output shaftHigh strength one piece planet carrier and output shaft

2 Output shaft bearingDeep groove ball bearings with contact seals

3 Planet gearPrecision zero helix angle gear with optimised profile modifications and crowning, casehardened and hard finished by honing

4 Housing with integrated ring gearRing gear case hardened for high load capacity, minimum wear, consistent backlash

5 Sun gearPrecision machined optimised gear profile, case hardened and honed for higher load capacity,low noise, minimum wear and consistent backlash

6 Bearing for sun gearHigh speed, deep groove ball bearings eliminating thrust loads from thermal expansion, whilstproviding exact sun gear position for easy mounting

7 Motor adaptor plateAllows matching up of the gear head with NEMA 17 and 23 motors, made from aluminium forenhanced thermal conductivity (other adaptors and motors on request)

8 Clamping ringBalanced ring suitable for high rpm, made from steel to allow greater clamping forces for safetorque transfer

9 Clamping screwHigh strength steel with special low pitch thread to generate a greater clamping force

10 Motor shaft clampMultiple closed slot precision clamping system for improved reliability

11 Assembly holeAccess hole for the clamping screw

• standard backlash(RGP40 from <22’)(RGP60 from <18’)

• high output torque • novel motor clamp system • high efficiency (up to 96%) • ratios i=3,...,512 • low noise • high quality• any mounting position • easy motor mounting • lifetime lubrication• direction of rotation

equidirectional

RGP40, RGP60

SectionView

35

Planetary Gearboxes


Gea

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• low backlash (<5’)• high output torque • novel motor clamp system • high efficiency (up to 98%)• honed gearing • ratios i=3,...,100 • low noise (< 58 dB)• high quality• any mounting position • easy motor mounting • lifetime lubrication• direction of rotation

equidirectional

RGPN70

1 Output shaftHigh strength, one piece planet carrier and output shaft

2 Output shaft bearingHigh precision, preloaded taper roller bearings for zero clearance

3 Sealing ringDedicated double lip seal. The lubricant is kept in while contaminants remain outside thegearbox; IP65 rated

4 Planet gearPrecision zero helix angle gear with optimised profile modifications and crowning, case hardened and hard finished by honing

5 Sun gearPrecision machined optimised gear profile, case hardened and honed for higher load capacity,low noise, minimum wear and consistent backlash

6 Bearing for sun gearHigh speed, deep groove ball bearings eliminating thrust loads from thermal expansion, whilstproviding exact sun gear position for easy mounting

7 Housing with integrated ring gearRing gear case hardened for high load capacity, minimum wear, consistent backlash

8 Motor adaptor plateAllows matching up of the gearhead with NEMA 23 motors, made from aluminium for enhancedthermal conductivity (other adaptors and motors on request)

9 Clamping ringBalanced ring suitable for high rpm, made from steel to allow greater clamping forces for safetorque transfer

10 Clamping screwHigh strength steel with special low pitch thread to generate a greater clamping force

11 Motor shaft clampPrecision clamping system for improved reliability

12 Assembly holeAccess hole for the clamping screw

RGP40 NEMA 17

36

Planetary Gearboxes


Gearboxes

Associated ProductsReliance Cool Muscle: page 22

Couplings: page 81Hardware: page 131

All dimensions in mm

Part number selection table

Example Part No: RGP40 60 NEMA17

BasicPart

Number

Ratio Stage L1 L2 Output Torque Inertia Efficiency (6)

with full loadNominal Maxmm mm Nm (2) Nm kgcm2 %

RGP40

3

1 87.5 39

11 17.6 0.031 984 15 24 0.022 985 14 22 0.019 987 8.5 13.6 0.018 978 6 10 0.017 96

10 5 8 0.016 95

RGP40

9

2 100.5 52

16.5 26 0.030 9712 20 32 0.029 9615 18 29 0.023 9616 20 32 0.022 9620 20 32 0.019 9625 18 29 0.019 9532 20 32 0.017 9540 18 29 0.016 9464 7.5 12 0.016 86

RGP40

60

3 113 64.5

20 32 0.029 9280 20 32 0.019 90100 20 32 0.019 89120 18 29 0.029 87160 20 32 0.016 86200 18 29 0.016 82256 20 32 0.016 81320 18 29 0.016 76512 7.5 12 0.016 48

RGP40 NEMA 17

37

Planetary Gearboxes


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Technical informationSpecification Unit RGP40 Stage

Backlash arcmin<15<19<22

123

Torsional stiffness Nm/arcmin1.01.11.0

123

Weight kg0.350.450.55

123

Lifetime(3) h 30,000Radial load for 20,000h(4) N 200Axial load for 20,000h(4) N 200Running noise(5) dB(A) 58Maximum input speed rpm 18,000

5,000Input speed at >50% torque

Operating temperature max ºC 90min ºC 25

Motor mounting clamp torque M2.5 Nm 2Lubrication Greased for lifeDegree of protection IP54

(1) Gearboxes for use with NEMA motors are supplied with a motor output shaft bush(2) Emergency stop torque equals twice nominal torque, maximum 500 times(3) Based on nominal torque and output shaft speed 100 rpm(4) Based on output shaft speed 100 rpm, centrally positioned along shaft(5) Distance 1 metre, idle running, input speed 3,000 rpm, ratio 5(6) Degree of efficiency at nominal output torque, reference temperature 70°C at 1,000 rpm

Technical support• Product overview see page 33• Technical information see pages T31 to T33• Section view see page 34• For detailed duty cycle and life calculation, please contact us• Gearbox complements the Reliance Cool Muscle servo system see page 22

• For system design information when using the RGP40 serieswith Reliance Cool Muscle, please contact us

Features and options• Gearbox may be used in any mounting orientation• Housing material: Steel black• Input and output flanges material: Aluminium untreated• Optional smooth output shaft if required• Other motors may be utilised, please contact us

RGP40 NEMA 23

38

Planetary Gearboxes


Gearboxes




BasicPart

Number



RGP40

3

1 89.5 39

11 17.6 0.031 984 15 24 0.022 985 14 22 0.019 987 8.5 13.6 0.018 978 6 10 0.017 96

10 5 8 0.016 95

RGP40

9

2 102.5 52

16.5 26 0.030 9712 20 32 0.029 9615 18 29 0.023 9616 20 32 0.022 9620 20 32 0.019 9625 18 29 0.019 9532 20 32 0.017 9540 18 29 0.016 9464 7.5 12 0.016 86

RGP40

60

3 115 64.5

20 32 0.029 9280 20 32 0.019 90

100 20 32 0.019 89120 18 29 0.029 87160 20 32 0.016 86200 18 29 0.016 82256 20 32 0.016 81320 18 29 0.016 76512 7.5 12 0.016 48



RGP40 NEMA 23

39

Planetary Gearboxes


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123


123

Weight kg0.350.450.55

123


5,000Input speed at >50% torque


Motor mounting clamp torque M2.5 Nm 2Lubrication Greased for lifeDegree of protection IP54




Features and options• Gearbox may be used in any mounting orientation• Housing material: Steel black• Input and output flanges material: Aluminium untreated• Optional smooth output shaft if required• Other motors may be utilised, please contact us• Available as a right angle gearbox, please contact us

RGP60 NEMA 23

310

Planetary Gearboxes


Gearboxes





BasicPart

Number



RGP60

3

1 106 47

28 45 0.135 984 38 61 0.093 985 40 64 0.078 987 25 40 0.072 978 18 29 0.065 97

10 15 24 0.064 96

RGP60

9

2 118.5 59.5

44 70 0.131 9712 44 70 0.127 9615 44 70 0.077 9616 44 70 0.088 9620 44 70 0.075 9625 40 64 0.075 9532 44 70 0.064 9540 40 64 0.064 9464 18 29 0.064 87

RGP60

60

3 131 72

44 70 0.076 9280 44 70 0.075 91

100 44 70 0.075 89120 44 70 0.064 88160 44 70 0.064 86200 40 64 0.064 83256 44 70 0.064 81320 40 64 0.064 77512 18 29 0.064 51


RGP60 NEMA 23

311

Planetary Gearboxes


Gea

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123


123

Weight kg0.91.11.3

123


4,500Input speed at >50% Torque


Motor mounting clamp torque M3 Nm 4.5Lubrication Greased for lifeDegree of protection IP54




Features and options• Gearbox may be used in any mounting orientation• Housing material: Steel black• Input and output flanges material: Aluminium untreated• Optional smooth output shaft if required• Other motors may be utilised, please contact us• Available as a right angle gearbox, please contact us

RGPN70NEMA 23

312

Planetary Gearboxes


Gearboxes




Example Part No: RGPN70 40 NEMA23

BasicPart

Number

Ratio Stage L1 L2 Output Torque Inertia Input Speed at50% Torque

Input Speed at100% TorqueNominal Max

mm mm Nm (2) Nm kgcm2 rpm rpm

RGPN70

3

1 137.5 59

45 72 0.40 1,900 1,6504 60 96 0.32 2,200 1,8005 65 104 0.28 2,500 2,0007 45 72 0.26 3,200 2,8008 40 64 0.25 3,500 3,100

10 27 43 0.25 4,000 3,700

RGPN70

12

2 166.5 88

68 109 0.40 3,350 2,75015 68 109 0.38 3,800 3,15016 77 123 0.35 3,600 3,00020 77 123 0.33 4,000 3,35025 65 104 0.30 4,400 3,80032 77 123 0.32 4,500 4,20040 65 104 0.29 4,500 4,50064 40 64 0.26 4,500 4,500

100 27 43 0.25 4,500 4,500


See page 310 for motor mount details

RGPN70NEMA 23

313

Planetary Gearboxes


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Backlash arcmin <3<5

12

Torsional stiffness Nm/arcmin 67

12

Efficiency with full load % 9895

12

Weight kg 1.92.4

12

Lifetime(3) h 20,000Radial load for 20,000h(4) N 3,200Axial load for 20,000h(4) N 4,400Running noise(5) dB(A) 58Maximum input speed rpm 14,000


Motor mounting clamp torque Nm 4.59.5

Lubrication Greased for lifeDegree of protection IP65

(1) Gearboxes for use with NEMA motors are supplied with a motor output shaft bush(2) Emergency stop torque equals twice nominal torque, maximum 500 times(3) Based on nominal torque and output shaft speed 100 rpm(4) Based on output shaft speed 100 rpm, centrally positioned along shaft(5) Distance 1 metre, idle running, input speed 3,000 rpm, ratio 5

M3M4


• For system design information when using the RGPN70 series with Reliance Cool Muscle, please contact us

Features and options• Gearbox may be used in any mounting orientation• Housing material: Steel black• Input and output flanges material: Aluminium untreated• Optional keyway output shaft if required• Other motors may be utilised, please contact us• Available as a right angle gearbox, please contact us

ProductOverview

314

Bevel Gearboxes


Gearboxes

Economic, space saving solutions

The Reliance bevel and hypoid gearboxes provide an economic, space saving solution for right anglemotion in a restricted space envelope. There are 3 types of gearbox available:

The BE seriesThe BE series is the most economical choice, offered withstainless steel bevel gears mounted in plain bearings, witheither 1:1 or 2:1 ratios. It is a small, compact, anodisedaluminium unit, with a removable, plastic, clipon cover. Theunit can be easily mounted into an assembly to provide a 90ºdrive where space prevents a direct layout.

The BS seriesThe BS series is a onepiece, slimline aluminium housingwith stainless steel bevel gears and shafting, offered insingle or double output configurations with either 1:1 or 2:1ratios. Using ISO 8 quality bevel gears, when assembled thebacklash of the assembly is as low as <20 arcmins. It has acompletely sealed casing providing a dust free and safeoperation, with pretapped holes for alternative easymounting. It is lubricated with high quality grease beforesealing, providing lifetime lubrication and low maintenance.

The HY seriesThe BS and BE series bevel gearboxes are suited to lowload industrial applications. For higher ratio requirements,between 5:1 and 10:1, we offer the HY series hypoidgearbox, also with a fully sealed aluminium housing andcarbon steel gears and shafting. The hypoid gear passallows for a high torque transmission coupled with a highratio all within a compact package. Mounted in ball bearingsthe unit is fully lubricated and sealed for life. The variation ofmounting holes allows the gearbox to be mounted on anyface for greater assembly flexibility.

ProductOverview

315

Bevel Gearboxes


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BE 70 L 002 B

GearboxType

OverallLength

GearboxShape

GearRatio

Shaft DiameterIdentification

HY Hypoid GearboxBS Bevel GearboxBSB Bevel GearboxBSH Bevel GearboxBE Bevel Gear Set

Distance from back faceto shaft end

R = RectangularL = L shapeT = T shape

001 = 1:1002 = 2:1005 = 5:1010 = 10:1

A = Smaller output/inputshaft optionB = Larger output/inputshaft option

Part number structure

The BE seriesPictured without its removable cover,the BE series gearbox shown withReliaFlex™ couplings, leadscrewand Reliance Cool Muscle motor in atypical right angled drive system.

The BS seriesA single input, dual output BS seriesshown with ReliaFlex™ couplings,leadscrews and Reliance CoolMuscle motor.

HY Series

316

Hypoid Gearboxes


Gearboxes


Associated ProductsMotors: page 21


All dimensions in mmMaterials:Body Anodised aluminium(ISO AIMg0.7Si, AIMg1SiCu)Pinion shaft SCM435Gear shaft S45C

PartNumber

GearRatio A B C D E F G

ØH(h7)

ØI(h7) J K L M T P Q R

HY70R005HY90R010HY95R005HY120R010

510

510

709095

120

58687580

45606080

557575

100

40505055

15152020

18182525

6688

88

1212

20.025.025.027.5

17.520.020.025.0

36474962

22.530.030.040.0

577

10

14262827

10121215

10121212

PartNumber

Module Teeth Input Torque Ncm at:100rpm 250rpm 500rpm 800rpm 1000rpm 1500rpm 2000rpm 2500rpm

HY70R005HY90R010HY95R005HY120R010

0.750.711.11.0

8/407/708/407/70

76.075.8

247.4186.3

71.870.8

232.1172.7

66.063.8

211.8155.7

59.056.0

187.7136.6

53.950.7

170.3123.5

44.241.3

137.7100.0

36.634.3

112.682.7

28.427.386.065.0

PartNumber

Hole Dims Drilled Holes & C/Bores MaximumOverhang

Load(N)

Weight

(kg)S

Depth DrillHoleØX

CounterBoreØV

C/BoreDepth

WHY70R005HY90R010HY95R005HY120R010

M3M4M4M5

5668

3.24.24.25.2

6.58.08.09.5

3.24.34.35.3

19193939

0.30.60.71.3

Allowable rated torque table

BS LType Series

317

Bevel Gearboxes


Gea

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All dimensions in mmMaterials:

Body Anodised aluminium(ISO AIMg0.7Si, AIMg1SiCu)

Shaft Stainless steel (SUS303)

Associated ProductsMotors: page 21Couplings: page 81Hardware: page 131

PartNumber

GearRatio C A B

ØD(h7) E F G

Shaft End Hole Dims Backlash(arcmin)

Weight(g)T L M Depth

BS35L001BS45L001BS65L001BS80L001BS90L001BS105L001

1

141825303540

3545658090

105

273350607080

3468

1012

81215202025

45

12151520

23

3.5555

2.73.3

58

M2M3M4M5M5M6

446677

201515151515

2755

175290496725

BS65L002BS80L002BS90L002BS105L002

2

25303540

658090105

50607080

68

1012

15202025

12151520

3.5555

M4M5M5M6

6677

15

175290496725

PartNumber

Module Teeth Input Torque Ncm at:50rpm 100rpm 250rpm 500rpm 800rpm 1000rpm 1500rpm 2000rpm

BS35L001BS45L001BS65L001BS80L001BS90L001BS105L001

0.40.50.81.01.251.5

20

7.118.773.7

137.9271.8442.6

7.018.672.6

135.6266.1431.6

6.818.169.8

129.1250.4401.6

6.517.365.6

119.5228.0360.0

6.216.561.0

109.7205.8320.1

6.016.058.4

104.0193.3298.1

5.515.052.692.0

167.8254.3

5.314.047.982.6

148.2221.9

BS65L002BS80L002BS90L002BS105L002

0.60.81.01.25

14/2813/2613/2613/26

20.239.877.6

141.5

20.139.576.7

139.6

19.738.474.3

134.0

19.036.870.5

125.7

18.335.166.4

116.9

17.834.064.0

111.7

16.731.558.6

100.7

15.729.554.491.5


BS TType Series

318

Bevel Gearboxes


Gearboxes



All dimensions in mmMaterial:Body Anodised aluminium(ISO AIMg0.7Si, AIMg1SiCu)Shaft Stainless steel (SUS303)

Part number selection tablePart

NumberGearRatio Z Y C A B

ØD(h7) E F G

Shaft End Set Screw Backlash(arcmin)

Weight(g)T L M Depth

BS45T001BS65T001BS80T001BS90T001

1

72105130145

487590

105

18253035

45658090

33506070

468

10

12152020

5121515

3.03.55.05.0

3.3

8

M3M4M5M5

4667

15

75246410679

BS65T002BS80T002BS90T002

2105130145

7590

105

253035

658090

506070

68

10

152020

121515

3.55.05.0

M4M5M5

667

15246410679

PartNumber Module Teeth

Input Torque Ncm at:50rpm 100rpm 250rpm 500rpm 800rpm 1000rpm 1500rpm 2000rpm

BS45T001BS65T001BS80T001BS90T001

0.50.81.01.25

20

18.773.7

137.9271.8

18.672.6

135.6266.1

18.169.8

129.1250.4

17.365.6

119.5228.0

16.561.0

109.7205.8

16.058.4

104.0193.3

15.052.692.0

167.8

14.047.982.6

148.2BS65T002BS80T002BS90T002

0.60.81.0

14/2813/2613/26

20.239.877.6

20.139.576.7

19.738.474.3

19.036.870.5

18.335.166.4

17.834.064.0

16.731.558.6

15.729.554.0


Features and options• Product overview see page 314

BSB LBType Series

319

Bevel Gearboxes


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All dimensions in mmMaterial:





NumberGearRatio

C A BØDh7

Bore

E I ØJ K F G M

DepthSet Screw Weight

(g)ØH(H7)

DepthL N

BSB65L001ABSB65L001BBSB80L001ABSB80L001BBSB90L001ABSB90L001BBSB105L001ABSB105L001B

1

2525303035354040

656580809090

105105

5050606070708080

6688

10101212

56688

101012

1515191919192323

1515202020202525

55556666

1616191921212626

M3M3M3M3M4M4M4M4

1212151515152020

3.53.5555555

M4M4M5M5M5M5M6M6

66667777

M3M3M3M3M4M4M4M4

1919232325253030

169167293289465460722713

PartNumber ModuleTeeth

Input Torque Ncm at:50rpm 100rpm250rpm500rpm 800rpm 1000rpm 1500rpm 2000rpm

BSB65L001A/BBSB80L001A/BBSB90L001A/BBSB105L001A/B

0.81.01.251.5

20

73.7137.9271.8442.6

72.6135.6266.1431.6

69.8129.1250.4401.6

65.6119.5228.0360.0

61.0109.7205.8320.1

58.4104.0193.3298.1

52.692.0

167.8254.3

47.982.6

148.2221.9


Backlash: 15 arcmin


BSH LType Series

320

Bevel Gearboxes


Gearboxes



All dimensions in mmMaterial:Body Aluminium (ISO AIMg0.7Si,AIMg1SiCu) and cast iron castings(JIS G5501)Shaft Stainless and carbon steels (SUS303, S45C)


NumberGearRatio

BodyMatl* C A B

ØDh7 E F G

Keyway Set Screw Shaft Endb t L M Depth T Depth

BSH70L001BSH85L001BSH95L001BSH115L001

1

ALALALFC

27323645

708595

115

54647290

68

1012

16212325

9101320

4555

334

1.81.82.5

141520

M4M5M5M5

678

12

M4

8

PartNumber

ModuleTeeth Input Torque Nm at:250rpm 500rpm800rpm1000rpm 1500rpm 2000rpm 2500rpm 3000rpm

BSH70L001BSH85L001BSH95L001BSH115L001

0.81.01.251.5

19191819

0.891.953.685.23

0.891.953.685.23

0.891.953.685.15

0.891.953.585.01

0.861.813.304.69

0.811.693.044.40

0.771.592.854.25

0.731.502.774.13


PartNumber

Backlash

(arcmin)

MaximumOverhang Load

(N)

Weight

(kg)BSH70L001BSH85L001BSH95L001BSH115L001

15151510

25365883

0.20.40.51.8

*Body material and surface treatments(AL) Al Alloy: A6063, A6061, black anodised with stainless steel shaft(FC) Cast iron: FC200, FC250, black oxide with carbon steel shaft


BSH TType Series

321

Bevel Gearboxes


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Body Aluminium (ISO AIMg0.7Si,AIMg1SiCu)

Shaft Stainless steel (SUS303, S45C)



NumberGearRatio

BodyMatl* Z Y C A B

ØDh7 E F G

Keyway Set Screwb t L M Depth

BSH70T001BSH85T001BSH95T001

1 AL113138154

8196

108

273236

708595

546472

68

10

162123

91013

455

33

1.81.8

1415

M4M5M5

678

PartNumber

ModuleTeeth Input Torque Nm at:250rpm 500rpm800rpm1000rpm 1500rpm 2000rpm 2500rpm 3000rpm

BSH70T001BSH85T001BSH95T001

0.81.01.25

191918

0.891.953.68

0.891.953.68

0.891.953.68

0.891.953.58

0.861.813.30

0.811.693.04

0.771.592.85

0.731.502.77


PartNumber

Backlash

(arcmin)

MaximumOverhang Load

(N)

Weight

(kg)BSH70T001BSH85T001BSH95T001

15253658

0.30.50.7

*Body material and surface treatments(AL) Al Alloy: A6063, A6061, black anodised


BE SeriesRatio 1:1

322

Bevel Gearboxes


Gearboxes



All dimensions in mmMaterial:Body Anodised aluminium(ISO AIMg0.7Si, AIMg1SiCu)Shaft Stainless steel (SUS303)


NumberGearRatio

A B CØDh8 E F G H P J

Drilled Holes & C/BoresDrill Hole

ØKC/Bore

ØVC/Bore

Depth WBE40L001BE55L001BE70L001ABE70L001BBE88L001ABE88L001B

1

405570708888

304050506363

101316162020

4568

1012

101520202525

5.06.58.08.0

10.010.0

4.55.06.06.07.07.0

20.528.536364646

15.021.527.027.033.033.0

182530304040

3.43.44.34.35.25.2

6.56.58.08.09.59.5

3.53.54.54.55.55.5

PartNumber

Module Teeth Input Torque Ncm at:50rpm 100rpm 250rpm 500rpm

BE40L001BE55L001BE70L001ABE70L001BBE88L001ABE88L001B

0.50.81.01.01.51.5

20

9.838.672.372.3

232.3232.3

9.738.071.071.0

226.5226.5

9.436.567.667.6

210.8210.8

9.034.362.662.6

188.9188.9


PartNumber L ØM N T U

Weight(g)

BE40L001BE55L001BE70L001ABE70L001BBE88L001ABE88L001B

2.54.04.54.55.05.0

7911141819

2.11.81.82.02.02.2

1.71.92.12.12.12.1

131620202727

3085

155170375380

Features and options• Product overview see page 314• BE series gearboxes are

supplied with a clipon plastic cover

BE SeriesRatio 2:1

323

Bevel Gearboxes


Gea

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es






NumberGearRatio

A B CØDh8 E F G H P J

Drilled Holes & C/BoresDrill Hole

ØKC/Bore

ØVC/Bore

Depth WBE55L002BE70L002ABE70L002BBE88L002ABE88L002B

2

5570708888

4050506363

1316162020

568

1012

1520202525

6.58.08.0

10.010.0

56677

28.536364646

21.527.027.033.033.0

2530304040

3.44.34.35.25.2

6.58.08.09.59.5

3.54.54.55.55.5

PartNumber

Module Teeth Input Torque Ncm at:50rpm 100rpm 250rpm 500rpm

BE55L002BE70L002ABE70L002BBE88L002ABE88L002B

0.60.80.81.251.25

14/2813/2613/2613/2613/26

10.520.720.774.274.2

10.420.620.673.273.2

10.220.120.170.370.3

9.919.319.365.965.9


PartNumber L ØM N T U

Weight(g)

BE55L002BE70L002ABE70L002BBE88L002ABE88L002B

4.04.54.55.05.0

911141819

1.81.82.02.02.2

1.92.12.12.12.1

1620202727

80140165345375

Features and options• Product overview see page 314• BE series gearboxes are

supplied with a clipon plastic cover

ProductOverview

324

Epicyclic Modules


Gearboxes

Epicyclic Modules

Reliance offers a component gear set with a modular design approach forbuilding a custom gearbox based on standard modules. It can be used as anindividual stage, providing ratios of up to 5:1, or the modules can be stackedto create a higher ratio gearbox. It is ideal for heavier duty, or longlife, torqueamplification, and speed reduction applications; the units have been usedsuccessfully in sealed subsea applications and in motorsports mechanisms.

The gear modules can also be supplied mounted in an aluminium housingcomplete with output shaft and support bearings, or as a housed unitcompleted with input and output shaft.

Motorsports industrySubsea systems

Transmission efficiency98% per single unit, 95% in double units, the power source may be smaller than with many otherreduction gears.

Noise reductionGear noise is reduced by a special construction of disksided planetary gears.

Load equalised structureThe inherent problem of loadsharing with planetary gear systems is solved by the load equalisedconstruction.

High torque transmissionThe epicyclic module is a compact unit with high torque transmission because it is designed toequalise the loads of each planetary gear.

Many reduction ratiosIt is possible to obtain many reduction ratios by combining standard units (3:1, 4:1, 5:1).

MEM75Series

325

Epicyclic Modules


Gea

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MEM 75 4 M L D

EpicyclicModule

OutsideDiameter

ReductionRatio

Material

M = StandardP and S are nonstd

Please enquire

Input ShaftForm

L = StandardA, I and D are nonstandard

Please enquire

Output ShaftForm

D = StandardG is nonstd

Please enquire

Part number structure

MaterialM = Metal carrier

Metal housingMetal internal/planet gearsMetal sun gear

P = Plastic carrierPlastic housingPlastic internal/planet gearsMetal sun gear

S = Metal carrierPlastic housingPlastic internal/planet gearsMetal sun gear

Input shaft formL = splined shaft 11 teeth 1.0 module 45º P.A. (standard)A = D shaped shaft 8 mm diameter x 7mmI = splined hole 8 mm diameter with 9 splines 0.75 module 20º P.A.D = splined hole 11 teeth 1.0 module 45º P.A. (standard)

Output shaft formD = splined hole 12 mm diameter 11 splines 1.0 module 45º P.A. (standard)G = splined hole 19.5 mm diameter 25 splines 0.75 module 45º P.A.

Reduction ratiosMetal units (M) Hybrid units (S) 3:1, 4:1, 5:1Plastic units (P) 3.11:1, 3.71:1, 4.8:1Insert 3 for 3:1, 4 for 4:1, 5 for 5:1

MEM75Series

326

Epicyclic Modules


Gearboxes

All dimensions in mm Associated ProductsMotors: page 21


Unit PartNumber

Ratio Weight(g) W X Y

Inertiakg/cm2

MEM753MAD 3:1 231

8.4 12.6

14.84.22

MEM754MAD 4:1 228 4.25MEM755MAD 5:1 248 4.38MEM753MLD 3:1 240

22.64.24

MEM754MLD 4:1 248 4.27MEM755MLD 5:1 257 4.39MEM753MLD8 3:1 321

12.4 16.6 26.64.53

MEM754MLD8 4:1 315 4.44MEM755MLD8 5:1 327 4.58MEM754MDG12 4:1 500 16.4 20.8

25 4.96MEM754MLG12 32.5 5.01MEM755MLG12 5:1 5.16


Technical support Product options• Torque graphs see page T34• Complete gearhead information see page T35

• Handling information see page T36• Mounting and assembly see page T35• Further technical information see page T34• Product overview see page 324

• Higher output variants available• Housed units available (LGH and MEM26) see page T36

• For range of accessories see page 327

MEM75Series

327

Epicyclic Modules


Gea

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ACCESSORIES

The initial module accepts a Dshaped motor shaft. Subsequent modules use the input shaft (externalspline) to plug into the output (internal spline). Finally, output internal spline adaptors are available,see below, and spacer rings should be inserted between each module as required.

Function PartNumber

Material Weightg Description

1. Spacer ring MEM75903 POM 12 For spacing modules at the correct distance2. Ø12 O/P shaft MEM75907 SCM435 50 10 Nm torque rated3. Ø32 O/P shaft MEM75906 S45C 720 For customer to machine to requirements

1.

3.

2.

ProductOverview

328

Custom Gearboxes


Gearboxes

Custom gearboxes

As well as offering a range of standard gearboxes we also design and manufacture bespoke gearboxes.As with our bespoke gears (see page 44) these are typically used in the aerospace and defencemarkets, and other industries with performancecritical requirements.

With over 50 years’ experience in gearbox design,manufacture, assembly and test Reliance’s engineers havea wealth of knowledge to draw upon when designing asolution to a customer’s specification. We have designedand built gearboxes for prime contractors and leading OEMsin the aerospace industry which are used in flight criticalapplications on global programmes such as EurofighterTyphoon, Sea Harrier and Tornado.

We specialise in fine pitch gearing for longlife applications,shortlife, high power applications and rotary to linearactuation drive mechanisms.

Our manufacturing capability extends to component cleaning and clean assembly, allowing us toaddress requirements for geared solutions for vacuum applications.

An extensive suite of test equipment enables thorough validation of the gearbox design andconstruction. This includes a Transmission Error Measurement System (TEMS) which enablesinvestigation of the accuracy and backlash of the full geared system, environmental test equipment andaccelerated life testing, all of which help ensure that the gearbox will perform within specification for theentire life of the product.

Military aerospaceLand defence

© Dassault Aviation F. Robineau

ProductOverview

329

Custom Gearboxes


Gea

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Environmental testingDesign engineering

Gearbox characterisationGearbox Transmission Error Measurement(TEMS) trace

Production testingProduction

ProductOverview

330

Custom Gearboxes


Gearboxes

Example modular gearboxModular gearbox designed and manufactured to custom specification for systemtest equipment.

ProductOverview

331

Custom Gearboxes


Gea

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es

Example planetary gearboxHigh performance gearbox designed and manufactured to customer specificationfor airborne gimbal actuation.

TechnicalInformation

T31

Planetary Gearboxes


Tech

nica

lIn

form

atio

n

1. Calculate FrL withthe following formula

2. Calculate the forceproportion

Please contact us if e>0.22

3. Calculate FL with thefollowing formula

Lh h lifetimeFa N axial load at the output shaftFr N radial load at the output shaftR mm distance, axial load to centre of the gearboxA mm distance, radial load to flange planen min1 output shaft speedCx gearbox constants from following table

FORMULA SYMBOLS

RGP40 RGP60 RGPN70C1 mm 10.5 11.5 13.5C2 mm 12.9 15.5 23CL N 2250 6050 9950

RGP40 RGP60 RGPN70Fr N 200 500 1000Fa N 200 600 1200

MAXIMUM LOAD IN CENTRE OF THE OUTPUT SHAFT

OUTPUT SHAFT BEARING LIFE

TechnicalInformation Planetary Gearboxes

T32 Contact us for product information, design support and custom [email protected] +44 (0) 1484 601002 www.reliance.co.uk

TechnicalInform

ation

PLANETARY GEARBOX INSTALLATION MOUNTING

RGP40 NEMA 17Make sure the gearbox has the correct mounting featuresfor the selected motor.

Clean the Cool Muscle and the RGP gearbox so they aregrease free, make sure not to get cleaning fluid into eitherthe motor or gearbox.

Remove the cover cap, adjust theposition of the clamp to be in linewith the mounting hole and openthe clamp so that clamp diameteris greater than the motor shaftdiameter.

The preferred method for mounting is in a verticalorientation as shown, mount the gearbox so it is flush withthe motor, secure the gearbox and motor together with 4 offSM38 screws and torque them up to TMount Nm.

Tighten the clamp shaft onto the motorto TClamp Nm and reattach cover cap.

NEMA 17 Mounting Screw TorqueSocket head cap screw order code SM38TClamp (Nm) 1.1


T33

Planetary Gearboxes


Tech

nica

lIn

form

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RGP40, RGP60 and RGPN70 NEMA 23Make sure the gearbox has the correct mounting featuresfor the selected motor.

Clean the Cool Muscle and the RGP gearbox so they aregrease free, make sure not to get cleaning fluid into eitherthe motor or gearbox.

Remove the cover screw, adjustthe position of the clamp to be inline with the mounting hole andopen the clamp so that clampdiameter is greater than themotor shaft diameter

The preferred method for mounting is in a verticalorientation as shown, mount the gearbox so it is flush withthe motor secure, bolt the two together with 4 off SM412screws and torque them up to TMount Nm.

Tighten the clamp shaft onto the motorto TClamp Nm and reattach cover screw.

NEMA 23 Mounting Screw TorqueSocket head cap screw order code SM412TClamp (Nm) 1.1

Clamping Screw TorqueSocket width across flats (mm) 2 4.5 9.5TClamp (Nm) 2.5 3 4

TechnicalInformation Epicyclic Modules


TechnicalInform

ation

TORQUE CURVES

OUTPUT SHAFT TORQUE

This is derived from an eight hour day, continuous unidirectional drive and no impact fluctuating load.

PEAK TORQUE CAPABILITY

Momentarily allowable torque is 250% of rated torque (under the same conditions as output torque).

DYNAMIC LOAD FACTOR

The rated torque has been derated in accordance with the following table:

Dynamic Load Factor (Sf)

Drive Driven

Hrs/day

Load TypeUniform

Sf

MediumImpact

Sf

HeavyImpact

Sf

ElectricMotor

<33 10

241.0

1.01.251.5

1.51.752.0

Allowable Torque = Rated TorqueSf


T35

Epicyclic Modules


Tech

nica

lIn

form

atio

n

REVERSING MOTION

Should MEMs be used in a reversing drive (eg. servo application) the units should be derated to 80%.

TEMPERATURE RANGE

The unit will operate satisfactorily between 10º and +65ºC. For the all metal units, maximumtemperature is 75ºC.

MOUNTING POSITION

The standard position is horizontal. For other planes, please contact our sales team for moreinformation.

REQUIREMENTS FOR ASSEMBLING UNITS

1. Alignment Radial alignment errors, after fitting the input and output shafts, should be within0.15mm.

2. Location of Internal Gear A unit should be located in the manner in which the torque distribution isuniform in the internal gear.

3. Clearance Axial clearance between the unit’s revolving parts (Carrier A & B) and casing should be2mm to 4mm.

4. Thrust Support when Mounting Vertically When mounting the units with shafts vertically, care mustbe taken to ensure that the mass of the module is supported by the shaft bearings and not the planetdisks containing the internal gear. If the unit is mounted with the output shaft uppermost, then ashoulder will be required on the input shaft and vice versa.

5. Lubrication For grease lubrication the casing should be filled with grease to between 50% and80% of the volume and for oil lubrication to between 30% and 50% of the volume.

OVERHANG LOAD (OHL) kg

The overhang load is a bending force acting on the shaft generated by external forces.

Calculate the OHL according to following equation and select an appropriate bearing:

O.H.L. Capacity = T x Ef/R

T : Driving torqueR : Pitch circle radius of gear or sprocketEf : Element factor:

Gear 1.1 1.25Sprocket 1.25Flat Belt 2.5 3.0V Belt 1.5 2.0

TechnicalInformation Epicyclic Modules


TechnicalInform

ation

NOTES FOR HANDLING

1. Plastic Unit P Lubricated with grease when assembled. (Units without grease lubrication arespecial to order).

2. Sintering Alloy Unit S Not lubricated with grease when assembled. (Units with grease lubricationare special to order).

3. Metal Unit M Not lubricated with grease or oil.

4. Do not mix strong acid or oil additives and thinners to the lubricant of the plastic units.

5. Do not allow rapid temperature variations. This will generate moisture.

6. Store the MEM units in a dark room below 40ºC and keep in a dry, dustfree atmosphere.

7. If a unit is mounted on a surface which acts as a soundingboard, the noise will be amplified abovethe inherent noise level of the unit. Take care when mounting the unit.

HOUSED UNITS (LGH)

MEM modules can be supplied mounted in an aluminium housing complete with output shaft andsupport bearings. The complete unit is rated at 10Nm output torque, and can have either one, two orthree modules. Maximum reduction ratio is 125:1 with 3x5:1 ratio modules. The accompanying motormust have a ‘D’ shaped shaft of 8mm diameter and 7mm over the flat.

Also included is the MEM26. This is a housed unit complete with input and output shaft. Actual ratio is91.125:1 and the unit is capable of handling 2 Nm output torque.

Larger modules are available up to 1000 Nm output torque. Please enquire.

RG36 Issue A2

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