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Bond types

 1.      Bonds. Bond type is carried out according to the table

Choice of processing mods for bonds indicated above, please see to the tables ## 1 and 2.

Table#1 Peripheral velocity of the wheel during grinding, m/s

Grinding type

Resin bond

Metal bond

Dry

Wet

Dry

Wet

Face

 

20-30

 

20-25

Circular internal

8-12

10-20

8-12

12-20

Circular external

 

20-30

 

12-20

Sharpening

15-22

18-28

8-12

12-20

 

Table#2 Feed velocity depending on grit size

Grinding type

Diamond grit size

Grinding depth, mm

 Line feed, m/min

Cross feed

Peripheral velocity, m/min

Face grinding

250/200-160/125

0,01-0,02

10-20

1/5-1/3 of the depth of the abrasive

-

125/100-80/63

0,007-0,01

80/63-50/40

0,005-0,007

Circular external

250/200-160/125

0,015-0,03

0,5-2,0

-

20-40

125/100-80/63

0,009-0,01

80/63-50/40

0,005-0,008

Circular internal

250/200-100/80

0,007-0,02

0,3-3,0

-

20-40

80/63-50/40

0,001-0,007

Sharpening

250/200-160/125

0,01-0,03

0,5-3,0

-

-

125/100-80/63

0,008-0,02

80/63-50/40

0,005-0,009

 

 

 

 

Bond types for PREMIUM grinding wheels

Designation

Recommendations for usage

Recommended grinding parameters

8-01

For rough and semifinish creepfeed grinding of tungsten carbide and steel workpieces and tools on CNC machines with coolants. The bond is characterized by excellent cutting properties, wear resistance and profile retention

Cutting speed

Vc =15…25 m/s

Feed rate

Vf =0,05…0,1 m/min

Infeed

 ae ≤ 2,0 mm

8-03

For rough and semifinish creepfeed grinding of tungsten carbide and steel workpieces and tools on CNC machines with coolants. The bond is characterized by more excellent cutting properties, wear resistance and profile retention than 8-01 bond.

Cutting speed

Vc =15…25 m/s

Feed rate

Vf =0,05…0,1 m/min

Infeed

 ae ≤ 4,0 mm

9-00

For grinding and sharpening of tungsten carbide workpieces with coolants. The bond is characterized by strong wear resistance and profile retention. The wheels are manufactured with diamond and CBN powder with the grit size from D151 to D46 (B151 – B46).

Recommended for face grinding of circular saw teeth and metal cutting tools.

Cutting speed

Vc =15…25 m/s

Feed rate

Vf =0,1…0,25 m/min

Infeed

 ae =  0,1…0,3 mm

9-01

For grinding and sharpening of tungsten carbide and steel workpieces with coolants. The wheels are manufactured with diamond and CBN micropowders.

Recommended for face grinding of circular saw teeth and metal cutting tools.

Cutting speed

Vc =15…25 m/s

Feed rate

Vf =0,1…0,25 m/min

Infeed

 ae =  0,1…0,2 mm

9-02

For grinding and sharpening of tungsten carbide and steel workpieces with coolants. The bond is characterized by higher wear resistance than 9-00.

Recommended for flank and top grinding of circular saw teeth and metal cutting tools.

Cutting speed

Vc =15…25 m/s

Feed rate

Vf =0,1…0,25 m/min

Infeed

 ae =  0,1…0,3 mm

1000

For cutting tungsten carbide and for sharpening and grinding without coolant.

Cutting speed

Vc =15…25/

1002

 

For flat and cylindrical grinding of tungsten carbide and steel workpieces with coolant.

Cutting speed

Vc =15…25 m/s

Feed rate

Vf =1…5 m/min

Infeed

 ae ≤ 0,1 mm

 

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