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Русский
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The new ILYICH article 'Grinding of wear-resistant coatings can be more efficient' was published in the June issue of 'Grinding & Surface Finishing'Grinding Wheel Technical Characteristics And ILYICH Specification
Please, click the required characteristic:
Abrasive Material
| Type | Bond | Application | ||
| Vitrified | Resin | Metal | ||
| CBN | ||||
| LKV40 | Grinding of treated steels: hardened, nitrided, cemented |
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| LKV50 | Highly efficient (incl. high-speed and creep-feed) grinding of treated steels, chilled cast iron and wear-resistant coatings |
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| LKV60 | Highly efficient grinding in extra heavy conditions |
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| LKV40M | HSS (high-speed steel) cutter grinding |
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| LKV50M | Highly efficient, incl. creep-feed, cutter grinding. Chip flute grinding |
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| LM | Finishing. Superfinishing, lapping, polishing. |
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| Synthetic Diamond | ||||
| AS4 | Grinding of glass, crystal, ceramics, magnetic materials |
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| AS6 | Cutting of carbides, ceramics, glass, incl. quartz and optical glass |
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| AS15 AS20 AS32 AS50 |
Highly efficient grinding of carbides and advanced ceramics Honing |
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| AS4M AS6M |
+ |
Carbide cutter grinding |
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| ASM | Finish grinding and honing, lapping, polishing of carbides, ceramics |
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Hardness
Hardness is a characteristic of vitrified wheels
Grade groups |
Soft | Medium | Hard | ||||||
Russian Standard |
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International Standard |
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Grit Size
CBN and diamond grit sizes used in wheel production
Powders |
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Russian Standard |
FEPA Standard |
ISO 565 Standard |
USA Mesh Standard ANSI B74.16 |
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CBN |
Diamond |
Designation |
Mesh Size |
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250/200 |
B251 |
D251 |
250/212 |
80 |
60/70, 70/80 |
200/160 |
B181 |
D181 |
180/150 |
100 |
80/100 |
160/125 |
B151 |
D151 |
150/125 |
110 |
100/120 |
125/100 |
B126 |
D126 |
125/106 |
120 |
120/140 |
100/80 |
B107 |
D107 |
106/90 |
150 |
140/170 |
80/63 |
B91 |
D91 |
90/75 |
180, 220 |
170/200 |
|
B76 |
D76 |
75/63 |
240 |
200/230 |
63/50 |
B64 |
D64 |
63/53 |
320 |
230/270 |
50/40 |
B54 |
D54 |
53/45 |
400 |
270/325 |
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B46 |
D46 |
45/38 |
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325/400 |
Micropowders |
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Russian Standard |
FEPA Standard |
USA |
50/40 |
M40 |
45 |
40/28 |
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28/20 |
M25 |
30 |
20/14 |
M16 |
15 |
14/10 |
M10 |
12 |
10/7 |
M6,3 |
9 |
7/5 |
|
6 |
5/3 |
M4 |
3 |
3/2 |
M2,5 |
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Bond
Bond types used in wheel production
TypeBond |
Vitrified |
Resin |
Metal |
CBN |
KS10, K27 |
B48, B481, B482, B483 |
|
Diamond |
K11 |
B48, B481, B482, B483 |
M2-01, M2-02 |
Bonds Application Guide
Bond type |
Application |
Vitrified |
|
КS10 |
for cylindrical, centreless, surface grinding |
К27 |
for internal grinding, profile grinding |
К11 |
for grinding with synthetic diamond wheels only |
Resin |
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В48 |
universal bond for wet/dry grinding in normal grinding conditions on CNC machines |
В481 |
for dry grinding, for cup wheels with rim width W > 5 mm |
В482 |
for wet grinding, for wheels with the narrow rim (W ≤ 5 мм), for grinding on CNC machines, for cut-off wheels |
В483 |
for dry grinding, for wheels with the narrow rim (W ≤ 5 мм) |
Metal |
|
М2-01 |
For grinding of glass and ceramics with synthetic diamond wheels |
М2-02 |
For cut-off synthetic diamond wheels |
Concentration
Correspondence Chart of Concentration in % and carat/cm3
Concentration of CBN/Diamond in a grinding wheel, % |
50 |
75 |
100 |
125 |
150 |
Content of CBN/Diamond in a grinding wheel, carat/cm3 |
2,2 |
3,3 |
4,4 |
5,5 |
6,6 |
The selection of the concentration depends on different factors and can be outlined, as followed:
Medium concentration (100%: 75%) is used in most grinding operations, in wheels with the layer grit size from 125/100 to 63/50, also in cup wheels with the wide abrasive layer (7-20 mm).
High concentration (125 - 200%) is used in the following cases:
- in wheels with the grit size 160/125 and higher - to increase the quantity of the grains and, thus, to reduce working load on each grain;
- in wheels with a small outer diameter (D<50 mm) - to increase the quantity of grains in the grinding zone;
in profile grinding wheels for better profile (form) maintenance; in cup wheels with the abrasive layer width 5 mm and less.
Low concentration (50%) is used in the wheels with the microgrit size 40/28 and finer.
Porosity
High-porous structure is a main feature of high-porous CBN vitrified wheels - AEROBOR®. The size of pores in AEROBOR wheels is controllable and can be regulated depending on the grinding application requirements. Usually, it is recommended basing on the grinding conditions and purposes, stipulated by the customer, and depends on CBN grit size.
ILYICH Specification
High-porous CBN vitrified wheels – AEROBOR®
Example: AEROBOR 1А1 100х5х20х5 LKV50 B126 SТ1 100 50
Shape |
Size DxTxHxX | Material | Grit Size | Hardness | Concentration | MOS, m/s |
CBN wheels & Diamond wheels on vitrified bond
Example: 6A2 150x38x40x5x15 AS6 D91 ST3 100 35
Shape |
Size DxTxHxXxW | Material | Grit Size | Hardness | Concentration | MOS, m/s |
CBN wheels & Diamond wheels on resin bond & Diamond Cut-off Metal Wheels
Example: 12R4 125х12х32х3х2 АS6М D107 B48 75 35
Shape |
Size DxTxHxXxW | Material | Grit Size | Bond | Concentration | MOS, m/s |
The best grinding wheel specification is specified in accordance with the grinding application details, provided by the Customer. Please, fill in our INQUIRY FORM and our technical support team will recommend you the best solution for your grinding conditions.