Vertical CNC Internal Gear Form Grinding Machine

Vertical CNC Internal Gear Form Grinding Machine

1.22 years researching and producing professional manufacturer with high precision and resonable price; 2.Total assets are 1.8 billion Yuan; number of employees is over 3500; 3.certified by ISO9001 quality control system, CE safety norm, AA-class credit of CIQ and ISO14001 Environmental Management System; 4.All machine are exported directly to over 40 countries. receiving almost unanimous approvals about our machine and service.

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Product Details

Vertical CNC Internal Gear Form Grinding Machine

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Vertical CNC Internal Gear Form Grinding Machine Advantage:

Using the tried and true #73200 form grinding platform, the #YK75200 is a dedicated internal  gear form  grinding machine.   The  largest  of  its  kind, the  #75200 uses  a PC-Based NUM Axium Power 1050 Total Numerical Control conversational control system, hydrostatic ways and features a whopping 10,000 KG (22,000 lbs) max load capacity on the  work table.   Minimum  tip diameter capability of  the  #75200 is 850,0mm (34”), and face width maximum is 400,0mm (16”).   A 16 KW (21.45 HP) Siemens-designed spindle  runs  a  260,0 to 350,0mm  (10.23”  –  13.77”) diameter grinding wheel.   An SBS wheel balancing and acoustic emission monitoring system are standard on all of the QC form grinders to facilitate automatic stock positioning,
wheel dressing and automatic stock dividing for greater throughput.
The  #75200 also utilizes  the  same  software, on-board inspection capability and PC-Based NUM  controls  package  as  its  external  gear relatives  and does  come standard with inspection measurement  and printing capability featuring Renishaw equipment.   This  design also utilizes  Accoustic  Emission (AE) monitoring equipment  in conjunction with a  dynamic  wheel  balancing system  for enhanced grinding operations including grinding monitoring and anti-collision.
The working principle of this machine is form grinding.   The profile of the grinding wheel  is  modified via  on an on-board wheel  dressing system  and software  package designed with a  graphical  interface  to simplify complex profiling requirements.

Vertical CNC Internal Gear Form Grinding Machine Major Characteristics:

· Compact machine design featuring a ribbed, one-piece cast iron bed. 
· Column, carriage and workpiece table utilize a constant flow hydrostatic  guideway system. 
· Ergonomic  design  with  complete  machine  access  from the  ground  floor  and through a well designed and completely lit enclosure. 
· Flexible  workholding area to accommodate  all  manner  of customer  workpieces up to 900,0mm in height (35.43”). 
· The on-board automatic dressing cycle of the grinding wheel improves the uptime  and  efficiency of this  machine  tool. Using customized  QC  Software with a conversational format, profiles of the grinding wheel are  easily modified. 
· NUM (Swiss Made – USA Serviced) 1050H PC Based CNC control with  Eight (8) independent axes of control.
· Integrated  Schmitt Industries  (SBS  –  USA) dynamic  grinding wheel balancing system for greater control of the grinding and dressing process.
·The  special  Human  Machine  Interface  (HMI) was  developed  by QC according to the  working characteristics  of North  American  gear processing.   Based  on  a conversational  programming protocol, programming is  simplified  by entering work  piece  parameters  and relevant technical parameters as called out by the operator.

Vertical CNC Gear Profile Form Grinding Machine Main Configuration:




Max. Work piece Diameter


Max Swing Diameter


Max. Diameter of Radius


Max. Axial Feed Travel

400 mm

Max Grinding Width


Min.-Max. No. of Teeth


Max. Spindle Speed

8000 rpm

Max. Revolution of Table


Table Indexing Speed Ratio


Hydraulic Pressure when Pushing Support Center(50mm Standard Cylinder)


Working Range

Center Distance between Grinding Wheel and Table

235-0 mm

Height Between Wheel Center and Table


Table Diameter


Table Bore Diameter

65 mm

The Distance between Table and Support Center

292-692 mm

Grinding Wheel

Max. Wheel Size, Diameter × Length

140*50*20 mm

Spindle Diameter


Max. Shifting Travel

60 mm

Feed Speed Range

Axial Feed

0.01-10 mm/T.rev.

Radial Feed

0.01-10 mm/T.rev.

Radial Rapid Feed (X)

5000 mm/min

Axial Rapid Feed (Z)

4000 mm/min

Electrical and Motor

Voltage of Control Circuit

AC380V,DC24V 50/60Hz

Total Power

23 KVA

Main Motor AC Spindle Motor

6 Kw

Table Servo Motor

6.5 Kw

Drive Servo Motor

2.3 Kw

Vertical Stroke Servo Motor

3.75 Kw

Shifting Servo Motor

1.2. Kw

Hydraulic Pump Motor

4P, 2.2 Kw

Cutting Oil Pump Motor

2P, 2X0.75 Kw

Magnetic Separation Motor

2P, 0.2 Kw

Floor Space and Weight

Floor Space, Length × Width

1861 × 2462 mm

Machine Height

2671 mm


5500 kg


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