Hermos CNC double surface grinding machine

Shenyang Hermos CNC Machine Tool Co., Ltd

CNC VERTICAL DOUBLE SURFACE GRINDING MACHINE TOOLCNC VERTICAL DOUBLE SURFACE GRINDING MACHINE TOOL

www.hermosgrinder. com [email protected]

HMP-208 double surface machine tool -Introduction

HMP-208 double surface machine tool -Grinding HMP-208 double surface machine tool -Grinding

Technical specification Technical specification

HMP-208 double end surface machine tool -ApplicatioHMP-208 double end surface machine tool -Applicationn

Competitor And famous customer Competitor And famous customer

Succesul Case1. Double end surface grinding for ceramic auto piston

Succesul Case2. Double surface grinding for swash plate of plunger pump

Succesul Case3. Double surface grinding for powder metal industry inner rotor

Succesul Case 4. Double surface grinding for substrate

Succesul Case 5. Double surface grinding for porcelain tube of electronic device producer

Succesul Case 6. Double surface grinding for CBN composite plate

Succesul Case 7. Double surface grinding for airconditioner compressor slip plate

Succesul Case 8. Double surface grinding for VVT cover

Succesul Case 9. Double surface grinding for gear pump side sheet

Directory


HMP-HMP-220808 double surface machine tool -Introduction double surface machine tool -Introduction

Introduction 　

HMP-208 process the parallel top and buttom end surfaces at the same time, realizing rough and fine grinding by only once.

Processing range:

Grindable work O.D. (max):φ140 mm

Grindable work height:2-50mm

Suitable for processing parts with high precision demands.

CPK≥1.33

Flatness≤ 2 μm

Parallelism≤ 2 μm

Surface roughness≤ 0.4 μm

Dimension tolerance≤ 2 μm

Suitable for high efficiency processing:

cycle time: 10-15s/pc

cycle time:2s/pc


HMP-208 double surface machine tool -Grinding


Item Parameters Unit

Grindable work O.D. (max) φ140 (Or according to demand) mm

Grindable work height 2-50 (Or according to demand) mm

Maximum speed of grinding spindle 1450 rpm

Grinding wheel/ Diameter CBNΦ305-Φ355mm mm

Feed rate of wheelhead table 0.003-3.125 mm/s

Chuck revolution speed 0-104 (Or according to demand) rpm

Cycle time 10-15(According to workpiece features) s

Grinding spindle power 11 kw

Total power 26 kw

Net weight 4 T

Floor space(L×W×H) 1100×1500×2000 mm

WorkPrecision

Flatness ≤2 μm

Parallelism ≤2 μm

Dimension tolerance ≤2 μm

Surface roughness ≤Ra0.4 μm

Technical specification


HMP-HMP-220808 double end surface machine tool -Application double end surface machine tool -Application

This machine tool could be applied to airconditioner compressors, bearings, gears, autoparts, hydraulic parts and other fields, where materials hard to process.

Gear of auto synchronizer　　　 Gear　　　　　　　 Auto VVT cover　　　 Engine bush

Lubricating oil pump rotor Turbo pressurizer gasket Automotive air conditioning valve plate Engine gasket


Competitor And famous customer

• Competitor• KOYO double surface grinding machine • The technology can reach koyo double surface grinding machine• The price has more competitive advantage

Famous customer


Customer requirement

Workpiece Ceramic auto piston

Material High Aluminum 60

Hardness HRC60

O.D.(mm) 49.872

I.D.(mm) 33

Thickness(mm) 27.982

Parallelism(mm) 0.003

Straightness(mm)

0.003

Roughness(μm) Rz0.8

Testing Purpose Complying with the Japenese client's requirement

Verticality(mm) 0.004

After grinding



Straightness(mm) 0.003


Solution

Content Purpose

Grinding wheel

Diamond end surface grinding wheel with special recipe

Promoting the grinding ability

Process

Improving the technology data

reducing the shock in processing, and advoiding the crack.

After grinding





Succesul Case1. Double surface grinding for ceramic auto piston



Workpiece Swash plate

Material 38CrMoAl

Hardness HV>770

O.D.(mm) 132

I.D.(mm) 61

Thickness(mm) 8




Testing Purpose Guarantee tolerance of form and position,roughness,improve processing efficiency

Customer One hydraulic parts enterprise

Test Result


Flatness(mm) 0.002

Roughness(μm) Ra0.075

Cycle time 18.7240-360

Ra0.1

0.002

0.002

Technical Specification Before grinding After hermos grinding

Item hermos solution Purpose

With ring width 50mm ,grooved CBN surface grinding wheel

Facilitate to discharge scrap and to support workpieces

Optimize formula of grinding wheel, make grain fine

Ensure cutting ability of grinding wheel, improve roughness of workpiece

Technical parameter

Optimize processing parameter according to the grinding situation of grinding wheel

Improve roughness of workpiece ,reduce cycle time of workpiece

Grinding wheel

Succesul Case2. Double surface grinding for swash plate of plunger pump


Item Techinical specification

Customer Powder Metal Industry Enterprise

Workpiece Inner rotor

Material Powder Metal

Hardness HRB>70

Outer diameter 71.8mm

Verticality 0.02mm

Height 19.2mm

Parallelism 0.006mm

Flatness 0.006mm

Roughness Ra0.8μm

Stock romoval 0.1mm

Thickness tolerance ±0.01mm

After hermos grinding

Technical Specification Before grinding After grinding

cyle time(pc/s) 30s 9.6s

roughness(μm) Ra0.8 <Ra0.4

flatness(mm) 0.006 <0.003

Parallelism(mm) 0.006 <0.003

cpk ___ 1.33

Succesul Case 3. Double surface grinding for powder metal industry inner rotor


Succesul Case 4. Double surface grinding for substrate


Client A Grinding wheel Producer

Workpiece Substrate

Material Alloy steel

Hardness HRC40

O.D.(mm) 93

I.D.(mm) 15

Thickness(mm) 2.8



Stock removal(mm) 0.04

Purpose Reducing the rate of defectives

Flatness(mm) 0.002

Result

Former after grinding

Flatness(mm) 0.002 <0.0015

Defective Rate 5% 0.5%



Grinding wheel

With ring width 50mm ,grooved CBN surface grinding wheel

Facilitate to discharge scrap and to support workpieces

Optimize formula of grinding wheel, make grain fine

Ensure cutting ability of grinding wheel, improve temperature rising

Technical parameter

Optimize processing parameter according To reduce the generation

of grinding heat


Client A electronic device producer

Workpiece Porcelain tube

Material Porcelain (A-95)

Hardness HRC60

O.D.(mm) 135

I.D.(mm) 118

Height(mm) 41



Stock removal(mm) 2

Purpose Improver processing efficiency

Flatness(mm) 0.02

Picture

Result


Flatness(mm) 0.015 <0.01


Cycle time(s/pc) 900-1200 132

Roughness(μm) Ra0.8 <Ra0.8


Grinding wheel

With ring width 75mm CBN surface grinding wheel

Improve cutting ability of grinding wheel,to support workpieces

Technical parameter

Optimize processing parameter according

Reducing processing impact,reduce porcelain collapsed

Succesul Case 5. Double surface grinding for porcelain tube of electronic device producer


Succesul Case 6. Double surface grinding for CBN composite plate


Client A CBN composite plate producer

Workpiece CBN composite plate

Material CBN+hard alloy

Note The combination surface between CBN layer and hard alloy layer, deformation should be within 0.05mm

Height(mm) 41



Stock removal(mm) CBN layer 0.3mmHard alloy layer 40mm

cycle time(s/pc) 30

Flatness(mm) 0.02



Client A famous auto-parts supplier in China

Workpiece DVVT vane

Material SUS440C strainless steel

Hardness HRC55

Length(mm) 23

Width(mm) 18.5

Thickness(mm) 3


Stablization cpk 1.33



Purpose Reducing the rate of defectives

Result



Defective Rate 5% 0.05%

cpk __ 1.67

Succesul Case 7. Double surface grinding for airconditioner compressor slip plate


Succesul Case 8. Double surface grinding for VVT cover


Client A powder metallurgy enterprise in Shandong

Workpiece VVT cover

Material Sintered metal

Hardness HRC20

O.D.(mm) 78

Thickness(mm) 22


Flatness(mm) 0.005



Purpose Complying with client's requirement

After grinding by hermos

Specification

Flatness(mm) 0.002



Time per part(s) 15s



Client A famous auto parts supplier in Wuhan

Workpiece Automobile airconditioner valve plate

Material Cast iron

Length(mm) 180

Thickness(mm) 2.5±0.1


Flatness(mm) 0.005

Roughness(μm) Rmax3.2

Stock removal(mm)

0.15

Purpose Complying with client's requirement

After grinding

Specification

Flatness(mm) 0.003


Roughness(μm) Ra0.4 Ra0.8

Time per part(s) 115

Succesul Case 9. Double surface grinding for gear pump side sheet


Contact way:


Shenyang Hermos CNC Machine Co.,Ltd

International trade manager

Susie

Cell phone:+86 13998197202

Email: [email protected]

Tel: 0086 024 83787158

Fax: 0086 024 83787178

Add:25 centrury road,hunnan new district,shenyang 110179,China

Web: www.hermosgrinder.com

Hermos CNC double surface grinding machine

Technology

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