Mold Stone
Honing Stone
Super Finishing Stone
Internal Grinding Wheel
CT Grinding Wheel
Resinoid Grinding Wheel
Glass Processing Diamond..
Stainless steel processing..
CBN Grinding Wheel
Surface Grinding Wheel
Diamond Square Stones
Normal Square Stones
Dressing Stone
Block Products (Blank)
Skate, Ski Sharpening Stone

 

Composed of the minute abrasive. We have our pride in producing.
Demand of super finishing stone is now increasing, because it is applied to the rotative or drive members of the internal engines, machine tool precision testing machine, gauge shaft, bearing and others and to improve the performance and life of the machines. Yeonjisa is producing the product, which does saving the cost and processing effect in objective. Especially, recently the CBN super finishing stone, which is developed that, has a good abrasion-proof, so that it contributed to save the cost a lot.



Characteristic & Grain size
Abrasive
A, WA, RA, MA, C, GC, SD, CBN
Grain size
# 400 ~ # 12000
Bond
V : Vitrified
B : Resinoid
Size
Rectangle
(mm)
T
W
L
0.5㎜↑~ 100㎜↓
100㎜↓
Precision
+0 ~ -0.05㎜
±0.1㎜
Reinforcing materials
S(sulfur), W(wax)
Harfdness
RH Θ40 ~ 100