Name: Cylindrical Grinding Wheels
Brand: CUMI Abrasives
SKU: HSS-CGW-001
Author: CUMI Abrasive Team

Cylindrical Grinding Wheels

Good

Cylindrical Grinding Wheels for Precision Size Generation & Surface Finish CUMI’s versatile range of cylindrical wheels are used for a variety of grinding operations that require size generation, fine surface finish and fast stock removal. Special wheels are also available for multiple diameters and shoulder grinding with pre-formed wheel faces. CUMI’s cylindrical grinding wheels find wide application in the grinding of valves, plunger pins, eye bolts, transmission shafts, cam shafts, crank shafts etc.,

Brand: CUMI

Information Material:

Product Catalogue

Hardness	Speed	Good	Better	Best
Low content Vanadium & Molybdenum	35	AA60 K5 V8	RAA60 J5 VF8	1CUMISA60 J6 VC500
Low content Vanadium & Molybdenum	50	AA60 K5 V50	RAA60 J5 VF8/50	1CN60 J6 VC500/50
High content Vanadium & Molybdenum	35	AA601 H10 V736	RAA601 H10 V736	1CUMISA601 H12 VCA2
High content Vanadium & Molybdenum	50	AA601 G10 V736/50	RAA601 G10 V736/50	1CN601 G12 VCA2/50

Hardness	Speed	Good	Better	Best
For all HRc	35	C60 K5 VG	CGC60 K5 VG	GC60 K5 VG
For all HRc	50	C60 J5 VS2110/50	CGC60 J5 VS2110/50	GC60 J5 VS2110/50

Hardness	Speed	Good	Better	Best
< 40 HRc	35	A463 M5 V10	DA463 M5 V10	AA463 M5 V2016
	50	DA463 M5 V50	5SA463 L5 V500/50	1CUMISA541 L6 VC500/50
	63	5SA463 L5 V500/60	AA463 L5 V60	1CUMISA541 L6 VC500/60
50 HRc to 60 HRc	35	A463 K5 V10	DA463 K5 V10	AA463 K5 V2016
	50	DA463 K5 V50	5SA463 J5 V500/50	1CUMISA541 J6 VC500/50
	63	5SA463 J5 V500/60	AA463 J5 V60	1CN541 J6 VC500/60

Hardness	Speed	Good	Better	Best
< 40 HRc	35	-	-	GC463 N5 VG
	50	-	-	GC463 N5 VS2110/50
	63	-	-	-
50 HRc to 60 HRc	35	-	-	GC463 L5 VG
	50	-	-	GC463 L5 VS2110/50
	63	-	-	-

Operation	Speed	Good	Better	Best
Rough	35	AC463 K5 VG	CGC463 K5 VG	GC463 K5 VG
Finish	35	C80 J5 VG	CGC80 J5 VG	GC80 J5 VG
Rough	50	C463 K5 VS2110/50	CGC463 K5 VS2110/50	GC463 K5 VS2110/50
Finish	50	C80 J5 VS2110/50	CGC80 J5 VS2110/50	GC80 J5 VS2110/50
	Upto 35	-	GC60 J11 VR	-
Rough	35	AA46/54 K5 V8	RAA46/54 J5 VF8	1CUMISA461 J6 VC500
Finish	35	AA80 J5 V8	RAA80 J5 VF8	1CUMISA801 J6 VC500
Rough	50	AA46/54 K5 V50	RAA46/54 J5 VF8/50	1CUMISA461 J6 VC500/50
Finish	50	AA80 J5 V50	RAA80 J5 VF8/50	1CUMISA801 J6 VC500/50
	Upto 50 MPS	AA461 H10 V736/50	RAA461 H10 V736/50	1CUMISA461 H12 V736/50

Hardness	Speed	Good	Better	Best
< 40 HRc	35	A463 M5 V10	SBA463 M5 V10	AA463 M5 V2016
	50	DA463 M5 V50	5SA463 L5 V500/50	1CUMISA541 K6 VC600/50
	63	AA463 L5 V60	5SA463 L5 V500/60	1CUMISA541 K6 VC600/60
50 HRc to 60 HRc	35	AA46/54 K5 V8	5SA463 K5 V500	53MA541 J7 VC500/50
	50	AA46/54 K5 V50 AA54 J5 V60	5SA463 K5 V500/50 5SA463 J5 V500/60	53MA541 J7 VC500/50 1CUMISA541 J6 VC600/50
	50	AA46/54 K5 V50 AA54 J5 V60	5SA463 K5 V500/50 5SA463 J5 V500/60	53MA541 J7 VC500/50 1CUMISA541 J6 VC600/50
	63	-	-	53MA541 J7 VC500/60 1CN541 J6 VC600/60

CUMI Code	Grit Range	Diameter		Thickness		Hardness	Structure	Speed
CUMI Code	Grit Range	(mm)	(inch)	(mm)	(inch)	Hardness	Structure	(mps)
CN	46 - 120	300 - 600	12 - 26	25 - 150	1 - 6	H - M	6 - 13	35, 50 & 63
CUMISA/CSA				25 - 150	1 - 6	H - M	6 - 13	35, 50 & 63
SBA				25 - 250	1 - 10	H - M	5 - 8	35 & 50
50A				25 - 150	1 - 6	H - M	6 - 13	35 & 50
RA				25 - 150	1 - 6	H - M	5 - 8	35 & 50
5SA				25 - 150	1 - 6	H - M	5 - 8	35, 50 & 63
AA				25 - 250	1 - 10	H - M	5 - 8	35, 50 & 63
DA				25 - 150	1 - 6	H - M	5 - 8	35 & 50
A				25 - 150	1 - 6	H - M	5 - 8	35 & 50
CGC				25 - 150	1 - 6	H - M	5 - 8	35 & 50
GC				25 - 150	1 - 6	H - M	5 - 8	35 & 50
C				25 - 150	1 - 6	H - M	5 - 8	35 & 50

Operation	Speed	Area of Contact	Good	Better	Best
Rough	35	<= 10 mm	A463 K5 V10	DA 463 K5 V10	AA46/54 L5 V8
	50	<= 10 mm	A463 K5 V50	DA 463 K5 V50	AA46/54 L5 V50
	35	> 10 mm	A463 J7 V10	DA463 J7 V10	AA46/54 J7 V8
	50	> 10 mm	A463 J7 V50	DA463 J7 V50	AA46/54 J7 V50
Finish	35	<= 10 mm	A60 K5 V10	DA60 K5 V10	AA60 K5 V8
	50	<= 10 mm	A60 K5 V50	DA60 K5 V50	AA60 K5 V50
	35	> 10 mm	A60 I7 V10	DA60 I7 V10	AA60 I7 V8
	50	> 10 mm	A60 I7 V50	DA60 I7 V50	AA60 I7 V50

Operation	Speed	Area of Contact	Good	Better	Best
Rough	35	<= 10 mm	AA60 H8 V736	53A60 H8 VCA2 RA60 K5 VF8	1CUMISA60 H8 V736
	50	<= 10 mm	AA60 H8 V736/50	53A60 H8 VCA2/50 RA60 J5 VF8/50	1CN60 H8 V736/50
	35	> 10 mm	AA60 H10 V736	53A60 H10 VCA2 RA60 K5 VF8	1CUMISA60 H10 V736
	50	> 10 mm	AA60 H12 V736/50	53A60 H12 VCA2/50 RA60 J5 VF8/50	1CN60 H12 V736/50
Finish	35	<= 10 mm	AA80 H8 V736	53A80 H8 VCA2 RA80 K5 VF8	1CUMISA80 H8 V736
	50	<= 10 mm	AA80 H10 V736/50	53A80 H10 VCA2/50 RA80 J5 VF8/50	1CN80 H10 V736/50
	35	> 10 mm	AA80 H12 V736	53A80 H12 VCA2 RA80 K5 VF8	1CUMISA80 H12 V736
	50	> 10 mm	AA80 H13 V736/50	53A80 H13 VCA2/50 RA80 J5 VF8/50	1CN80 H13 V736/50

Product Information

Feature

- Best choice of abrasive grain wheels for higher stock removal, higher productivity and form retention

- Customizes sketches for every customer requirement

- Wide range of bond system to customize individual grinding needs

Benefits

- Higher stock removal

- Higher productivity and form retention

Advantage

- High stock removal

- Better productivity

- Excellent surface finish

- Lower dressing frequency

- Burn free component

Product Uses

Industries

Auto/Auto Ancillary

Cutting Tool

Renewable Energy

Product Description

About CUMI Cylindrical Grinding wheels

CUMI Cylindrical Grinding Wheels are designed to handle a wide range of external cylindrical grinding operations where size accuracy, surface finish, and productivity are critical. Manufactured using the optimal selection of abrasive grain types, these wheels deliver high stock removal rates while maintaining excellent form retention throughout the grinding cycle.

CUMI offers customized wheel sketches tailored to specific customer requirements, including wheels for multiple diameters and shoulder grinding with pre-formed wheel faces. A wide range of bond systems—vitrified, resin, and specialized formulations—allows precise matching of the wheel to individual grinding conditions and materials.

As a result, manufacturers achieve:

Accurate size generation with consistent dimensional control
Fine surface finish across complex cylindrical components
Faster grinding cycles and higher productivity
Reliable performance across valves, shafts, pins, and automotive components

CUMI cylindrical grinding wheels are widely used for grinding valves, plunger pins, eye bolts, transmission shafts, camshafts, and crankshafts, making them a dependable solution for precision and high-volume production environments.

FAQs

01.

What are cylindrical grinding wheels used for? Cylindrical grinding wheels are used for external grinding operations to achieve precise diameters, fine surface finish, and dimensional accuracy on shafts and round components.

02.

Which components are commonly ground using cylindrical grinding wheels? They are widely used for grinding valves, transmission shafts, camshafts, crankshafts, plunger pins, and eye bolts in automotive and industrial manufacturing.

03.

How does abrasive grain selection affect cylindrical grinding performance? The right abrasive grain enables higher stock removal, better form retention, and improved surface finish, directly impacting productivity and wheel life.

04.

Can cylindrical grinding wheels be customized for specific applications? Yes. CUMI provides custom wheel designs and sketches tailored to component geometry, grinding parameters, and surface finish requirements.

05.

What bond systems are available for cylindrical grinding wheels? CUMI offers a wide range of bond systems, including vitrified and resin bonds, to suit different materials, grinding speeds, and precision requirements.