Zirconium Ball

Technical Characteristics of Polishing Grinding Block

Name	Code	Granularity
Brown corundum grinding block	BC	80#~320#
White corundum grinding block	WC	80#~320#
Alumina grinding block	OA	240#~1250#
Ceramic grinding block	C	----
Plastic grinding block	PC	120#~1250#
Metal grinding block	S	----
Plant grinding block	W	----

Selection table of polishing grinding blocks

Workpiece Processing Requirements		Selection of Polishing Grinding Block
Accuracy	Main uses	Granularity	Material
Commonly	Deburring, flying edge, Oxide rust spot and rough throwing	Abrasive Particle Size 100	Corundum abrasives
Higher	Deburring, scaling, chamfering, rough and medium throwing	The grinding effect between 150~W63 is better.	Ceramic abrasives Corundum abrasives
High	Fine grinding, polishing and surface finishing	The abrasive particle size W63 has better effect of fine grinding.	Alumina abrasives
	Deburring, flying edge, oxide rust spot, rough throwing	--	Plastic moulding Alumina abrasives
Selection principle	1. Choose grinding tools with finer grain size in finishing and grinding tools with coarser grain size in roughing. 2. The Abrasives should not be too large when processing small parts and too small when processing large parts. 3. The hardness of abrasive tools is selected according to the turning rate and abrasion. 4. When processing the parts with holes and grooves, the abrasives are 1.5 times larger than the holes and grooves, and the small abrasives are 1/3 smaller than the holes and grooves. 5. The ratio of abrasive tool to workpiece is 2:1-5:1. Rough machining is ahead of time and finish machining is behind time.