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超精密高効率円筒研削盤SUPER PRECISION HIGH EFFICIENCY CYLINDRICAL GRINDING MACHINE


NOG-2HF

* Designated machine color







Simultaneous Rough and Finish Machining
by Double Centers Support


Simultaneous Grinding by Double Centers







3-axes Structured
High efficiency Cylindrical
Grinding Machine
3-Axes Structure
NOG-2HF is a high efficiency cylindrical grinding machine which is composed of L/R table (workhead spindle), B/F grinding wheel spindle 1 and B/F grinding wheel spindle 2. Each axis is controlled independently.  






3-Axes Structure from Above






Arrangement Patterns of Two Grinding Wheels
*It is not possible to make changes on the arrangement after determining specifications.
Arrangement Patterns







Simultaneous Rough and
Finish Machining Provides You Various Effects

Various Effects

Using two individually controlled grinding wheels realizes simultaneous rough and finish grinding. Therefore, NOG-2HF enables you to combine the divided rough and finish machining process into one. Furthermore, it can improve work efficiency such as reducing time for changeovers and operators’ burdens.

 






Machining Sintered Materials
without Preprocessing

Step Grinding
Suitable for steps grinding of tools
Even unprocessed sintered materials can be processed with double centers support. Especially, it is suitable for base materials for punches of cold forging molds, and tools.  





Workpiece Clamping Methods








Combination of Double Centers
and High Efficient Machining


Sample 1
For punches of press dies

Workpiece Sample 1

Material and Size

Carbide :
φ25 x 250 mm
Grinding Length : Approx. 250 mm
Max. Grinding Allowance :
φ1.4 mm

Roughing Grinding Wheel

# 170 φ250 mm
・Using diamond wheel

Finishing Grinding Wheel

# 800 φ250 mm
・Using diamond wheel







Sample 2
For steps grinding of
tool's base materilas

Workpiece Sample 2

Material and Size

Carbide :
φ15 x 150 mm
Grinding Length : Approx. 150 mm
Max. Grinding Allowance :
φ2.5 mm

Roughing Grinding Wheel

# 170 φ250 mm
・Using diamond wheel

Finishing Grinding Wheel

# 800 φ250 mm
・Using diamond wheel







Machining for Long and Thin Punches
and Small Diameter Pins
*1


Sample 3
For long punch pins of dies
Workpiece Sample 3




*1 Steady Rest

Mounting a steady rest (option) to grind long and thin workpieces, such as a grinding length is five times longer than the workpiece's OD. Moreover, this steady rest enable the machine to grind small diameter pins that are less than φ0.1 mm.

Material and Size

Carbide :
φ5 x 175 mm
Grinding Length : Approx. 135 mm
Max. Grinding Allowance :
φ2.5 mm

Roughing Grinding Wheel

# 170 φ250 mm
・Using diamond wheel

Finishing Grinding Wheel

# 800 φ250 mm
・Using diamond wheel




Basic Specification

 Item NOG-2HF UNIT
Chucking Double Centers Support  Workhead Spindle Dead Center : MT No. 3 / Live Center
 Tailstock Dead Center : MT No. 2 / Live Center
 Capacity Swing Over Table φ180 mm
Distance Between Centers 300 mm
Swivelling For Adjusting Cylindricity
 Left / Right Axis (X) Movement Amount 680 mm
Least Input Increment 0.0001 mm
Speed   0 ~ 1000 rpm
Through Hole Dia. φ20 mm
Grinding Wheel
SpindleT(Y)
Movement Amount 50 mm
Least Input Increment 0.0001 mm
Motor 5 kw
Speed   0 ~ 6000 rpm
Tilt Angle 0 ~ 10.5 degree
Fixing Original Flange
Outer Dia. of GW φ250 mm
Grinding Wheel
Spindle U(Z)
Movement Amount 60 mm
Least Input Increment  0.0001 mm
Motor 5 kw
Speed 0 ~ 6000 rpm
Tilt Angle 0 ~ 10.5 degree
Fixing Original Flange  ー
Outer Dia. of GW φ250  mm
Lubrication System  Auto Lubrication  ー
Machine Size (W x D x H) 2105 x 1962 x 1570   mm
Floor Space (W x D x H)  2220 x 2955 x 1570 mm
Machine Weight  Approx. 2500 kg
Control  FANUC
Power Sourse  AC 200 V V
Total Power Consumption  34.7 KVA
Control Voltage  DC 24 V / AC 100 V V

*The contents are subject to change without notice.

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