About the reverse side of emery cloth of page shape sand paper the technology of compound processing and cost are analysed

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Emery cloth of page shape sand paper deserves to use in jacket of of all kinds tool, gain ground more and more and develop quickly. Basically assemble in dynamoelectric tool, pneumatic tool and hand move a tool to go up. The tool changes emery cloth of use sand paper to be able to improve grinding efficiency not only, the utilization rate of grinding quality and sand paper emery cloth, still can drop work intensity and make full use of the horn side sand paper emery cloth more than makings, assembling type to use will be the way that will develop henceforth, to promoting the market demand also will rise to urge action actively. Current, the means that type assembles to use sand paper emery cloth on the market has 3 kinds of basic forms: 1, mechanical outfit places type; 2, compound help style of agraffe of nylon of coarse cotton cloth; 3, not dry glue is stickup type. The article hind the manufacturing technology of 2 kinds of means and cost undertake brief analysis. One, the back is compound press coarse cotton cloth compound pull coarse cotton cloth to need adhesive and chemical fibber to press coarse cotton cloth. Adhesive can use white emulsion and acrylic colophony not to do glue, be compared and character, use white emulsion to stick receive strength big, in using won't delamination. Use technology of not dry glue simple, cost is low, also can achieve favorable use result. Analyse of devoir of exemple make it is with using not dry gum below. Not dry glue is compound pull dosage of unit price of material of statistic of cost of material of coarse cotton cloth value remarks presses coarse cotton cloth 26.

00 yuan / KG 80-120G/ square 2.

08-3.

The 12 price that contain tax do not do glue 7.

00 yuan / KG 120G/ square 0.

The 84 value that contain tax are total 2.

92-3.

What abroad uses 96 foundations is compound drag investigation of sample of coarse cotton cloth, the ply index that drags coarse cotton cloth is in 80-120G/ square, homebred pull coarse cotton cloth to also have similar standards, of square of the 80G/ below general requirement pull coarse cotton cloth to be able to satisfy a requirement, but to rise machine press coarse cotton cloth with what the dependability of arenaceous scrip chooses 120G/ square its can achieve knot power enough strength.

Look from above data statistic, compound the sand paper emery cloth that presses coarse cotton cloth will increase 3-4 of cost of material yuan / square, treatment process cost depends on the batch of treatment, breed, appearance and efficiency as a result of compound pull coarse cotton cloth to use on advantage and repeatability are good, it is the mainstream direction that assembles type to use development.

2, back is compound the coating quantity that basis of not dry glue experiments not to do glue is 120G/ square, can achieve necessary intensity, the silicon oilpaper that effect isolates since uses ply to be 70-90G/ square can, cost is in 0.

7 yuan / square, accordingly, compound not dry glue will increase on foundation of sand paper emery cloth 1.

5 yuan / the cost of square, not dry glue is stickup piece go up in pneumatic tool dosage is big, using the effect and convenient degree to go up to be inferior to pressing coarse cotton cloth quite piece, but cost is inferior. Above is the data of a few initial tests that he do below lab condition, offer course of study of one's own profession to offer reference only. CNC Milling CNC Machining