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Deep Hole Internal Grinding Machine Tool

Deep Hole Internal Grinding Machine Tool

Deep hole internal grinding machine tool- Precision Inner Hole Grinding Machine Cooling System of deep hole internal grinding machine tool Coolant tank is placed behind the High precision deep hole internal grinder machine tool, and the tank volume is 130L (34.34U.S.gal).coolant is pumped by the...

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Deep hole internal grinding machine tool- Precision Inner Hole Grinding Machine

Cooling System of deep hole internal grinding machine tool

Coolant tank is placed behind the High precision deep hole internal grinder machine tool, and the tank volume is 130L (34.34U.S.gal).coolant is pumped by the centrifugal pump to enter the spray pipe in spindle hole of the work piece from headstock tail and to reach the grinding zone for cooling. There is a separate switch in the end of main shaft to control flow.

The coolant that passes the grinding zone with abrasive dusts runs back to the cooling box from water outlet behind the lathe bed. The role of filter screen and clapboard is that the coolant can continue to be recycled after filtering and precipitation.

The coolant used in the machine has no special requirements, and usually is emulsion or synthetic cutting fluid.

Start and stop of cooling pump are ganged with work piece rotating motor.

Hydraulic System

Hydraulic Components List

No.

Model or parts No.

Name

Quantity

Main specification

Notes

1

CBW-B25

Gear oil pump

1

25 L/min,2.5 Mpa,1450r/min

Use 50HZ

CB-B40

Gear oil pump

1

40 L/min,2.5 Mpa,1450r/min

Use 60HZ


2

P-A25B-W

Plate-type overflow valve

1

25 L/min,1.6 Mpa


3

TY74B-25

Oil filter

1

25 L/min


4

HY35B-25

Oil filter

1

25 L/min


5

K1-3B

Pressure meter switch

1



6

Y-60

Pressure meter

1

1.6 Mpa


7

TY78

Lubrication distributor

1



8

TY84A or LI-6

One-way throttle valve

1



9

23E2-B4B

Micro wet-type magnetic valve

1

4 L/min,2.5 Mpa


10

24E2-B4B

Micro wet-type magnetic valve

1

4 L/min,2.5 Mpa


11

23

Oil cylinder of workbench

1

D-63,d=20,L=555


12

24

Reciprocating maneuvering box

1



13

25

Switch control valve

1



14

26

Feed switch valve

1



15

27

Starting valve of workbench

1



16

28

Stroke valve

1



17

29

Dressing hydraulic switch valve

1



Lubricating System

image002.gif

Lubrication Indicator Diagram

No.

Lubrication part

Oils

lubrication interval

1

front and rear bearing of main shaft of headstock

GB-491-65

No. 2 calcium soap grease

Once a week

2

Feed guide rail of grinding support

(2 rails respectively on the left side and on the right side)

GB-443-64

No. 20 machine oil

Once a week

3

Feed nut and screw rod of grinding support

Ditto

Ditto

4

Gear of feed mechanism

2 positions on

Ditto

Ditto

5

Adjusting hand wheel shaft of feed mechanism

Ditto

Ditto

6

flexible cover of feed box and screw rod shaft

Ditto

Ditto

7

hand wheel shaft of workbench hand-cranking mechanism

Ditto

Ditto

8

Bearing of grinding wheel spindle

No.2 or No.3 special lubricating oil

Overhaul or replace with new bearing

Notes: (1)No.20 machine oil: 50℃ Kinematic viscosity V(17-23)x10 m2/S  engler viscosity(·E )2.6-3.31;

(2)Hydraulic system supplies oil for the reciprocating motion guide rail to conduct the automatic pressure lubrication.

Lifting and Installation

When opening a case should be careful, after opening a case, it is necessary to find out the technical files including specification, packing list and qualified certificate, and then count the accessories according to the packing list.

image004.jpg

The adjustment of collision block on workbench

1.Two grinding reversing blocks should be adjusted to enable both ends of grinding wheel travel to stretch out of hole wall. The extended length is about 1/3~1/2 of the width of grinding wheel.

2.The dressing reversing block should be at both end faces of grinding wheel, and exceeds  4~5mm(0.16~0.20)of the diamond tool top to make the workbench reverse. If necessary, a collision block may be removed, and the middle grinding collision block completes the reversing before the workbench runs to the left.

3.When the workbench runs to the left to the left end face of grinding wheel and withdraws from the work piece, the collision block of stroke valve press down the valve to make the workbench change speed.

4.When the workbench running to the right converts to running to the left, the gap between the safety insurance collision block on the workbench and the convex plate on the lathe bed should be 1~2 mm(0.04~0.08).

 

Key words: Precision Inner Hole Grinding Machine, High Precision Deep Hole Internal Grinder, deep hole internal grinding machine tool


If you're looking for the deep hole internal grinding machine tool, welcome to consult the price and the quotation with our factory. As one of the professional grinding machine manufacturers and suppliers in China, we also offer you the customized service. Please be free to buy the cheap machine made in China in stock from us.
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