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M8432 Roller ring grinder

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M8432 Roller ring grinder
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M8432 Roller ring grinder

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1. Product introduction of M8432 Roller Ring Forming Grinder:

M8432 Roll Ring Forming Grinding Machine is mainly used for grinding processing of tungsten carbide cemented carbide roll rings for high-speed wire production. Rough grinding, semi-precision grinding, fine grinding and non-sparking grinding of the outer circle of the hard alloy roller ring and the R-groove with a shaped diamond grinding wheel are necessary finishing equipment in the machine repair workshop of the rolling mill.

1. The machine tool adopts a PLC program controller to control the feed of the grinding wheel frame and the movement of the working table respectively. The positions of the grinding wheel frame and the working table are dynamically displayed by the grating digital display. After setting the grinding requirements, the program can automatically complete the outer surface of the roller surface. And the grinding of each groove.

 

M8432

 

2. The spindle of the workpiece headstock is driven by frequency conversion, and the corresponding speed can be set according to different workpiece parameters.

Tension mandrel is installed on the headstock main shaft. Put the roller ring on the tensioning mandrel, and use an Allen wrench to tighten the locking screw at the end of the tensioning mandrel to complete the self-centering installation and fastening of the roller ring to be processed on the machine tool.

 

M8432

 

3. The grinding wheel spindle adopts high-precision rolling bearings, and uses an independent box with fully sealed forced lubrication and cooling. It has excellent performances such as high spindle rotation accuracy, high rigidity, and long bearing service life.

The grinding wheel spindle is driven by a high-power (18.5kw) motor.

 

M8432

 

4. The table and the motion guide of the grinding wheel frame are supported by high-precision and heavy-load linear rolling guides. The precision and preloaded rolling guide pairs have small coefficients of dynamic and static friction, high sensitivity, and stable and reliable operation.

Both the grinding wheel frame and the worktable are driven by servo motors, which are directly driven by the high-precision gapless ball screw, so the transmission accuracy is high, and there is no gap in the reverse direction. to fulfill.

5. The worktable adopts the inclined plane to support the head frame, which is convenient for drainage, and the weight of the head frame and the workpiece is pressed on the guide rail at the same time.

6. The machine tool uses an automatic lubrication system to automatically lubricate the guide rails and screw rods to ensure that the machine tool has always been in good condition, stabilize the machine tool accuracy, and extend the life of the machine tool.

7. The machine tool's coolant is cleaned with a paper belt filter, which has a good filtering effect, which not only ensures the cleanliness of the coolant, but also greatly increases the service life of the coolant.

 

M8432

 

2. M8432 Roller Ring Forming Grinder Main Specifications and Technical Parameters

No.

Item

Unit

M8432

1

Part type

 

Tungsten carbide roller ring

2

Parts processing diameter range

mm

0~Φ320

3

Headstock spindle speed

rpm

20~100

4

Headstock spindle motor

kw

3

5

Diameter of headstock spindle

mm

φ110

6

Wheel spindle speed

rpm

1950

7

Cutting wheel speed

m/s

35

8

Grinding wheel spindle motor

kw

18.5

9

Wheel diameter

mm

250×127

10

Maximum width of grinding wheel

mm

45

11

Worktable adjustment angle

°

-3°~3°

12

X axis travel

mm

500

13

X axis feed speed

Mm/min

0~3000

14

X-axis guide form

 

Heavy-duty linear rolling guide

15

Z axis travel

mm

250

16

Z axis feed speed

mm

0~3000

17

Z axis guide form

 

Heavy-duty linear rolling guide

18

Feed minimum setting unit

mm

0.001

19

Machine tool packaging size
(Length × Width × Height)

mm

4000×2150×2050

20

Machine weight

kg

4800

 

3. EDM diamond wheel dresser
 
Diamond grinding wheel is trimmed by EDM, the trimmed shape has high precision and fast efficiency.

 

M8432

Brief introduction of machining principle of diamond grinding wheel dressing machine tool

 

M8432

 

①Diamond grinding wheel: It is limited to metal bond diamond grinding wheel, which adopts mandrel to fix the double center clamping, stepper motor servo drive, manual / automatic rotary servo feed processing.
 
②Graphite wheel electrode: Use the easy-to-process graphite wheel as the electrode, and use the principle of electrical discharge machining to remove the machining part of the diamond grinding wheel by electric spark. The outer round shape of the graphite wheel is turned and formed by the hole type tool clamped on the tool holder.
 
③ Hole-shaped knife holder: The hole-shaped knife can be processed by a wire cutting machine. It needs to cut a 6 ° back angle, clamp it on a movable knife holder, and cut and shape the outer circle of the graphite wheel electrode.
 

④Cooling working fluid: In order to ensure the smooth progress of electrical discharge machining, cooling working fluid (working fluid is 7 # white oil or 5 # engine oil) needs to be flushed into the processing area. Ensure that there is no open flame in the processing area.

 

M8432

 

 

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