Traditional Culture Encyclopedia - Traditional customs - How many steel balls are there in the 0.8-thick rubber band of slingshot?
How many steel balls are there in the 0.8-thick rubber band of slingshot?
Flat leather with a thickness of 0.65 and below has light tension and fast rebound speed, and is suitable for 6-8 beads. If you want to increase the diameter of the steel ball, it is recommended to use a flat rubber band with a thickness of more than 0.7. 0.65 thick flat skin (taper: 20- 14) with 7.5-8 mm steel balls, the trajectory is very stable; If equipped with 7 mm or less, the initial velocity is very fast, and the short-range power is also great, but the long-distance drift is a bit; There is basically no trajectory beyond 15 meters, and the accuracy is difficult to adjust, which is not suitable for long-distance shooting.
Steel ball is a kind of metal abrasive, the main varieties are stainless steel shot, cast steel shot, aluminum shot, steel wire cutting shot, grinding shot and copper shot. Steel balls are widely used for surface treatment of non-ferrous metal die castings, castings, aluminum profiles, auto parts, machinery manufacturing, hardware and pump and valve industries. Mainly focus on product surface rust removal, edge surface burr, surface roughening, matte fruit, leveling and strengthening, rust removal. Stainless steel balls are widely used in steel balls. Stainless steel ball, commonly known as stainless steel wire cutting pill, is made by drawing, cutting and polishing, and its appearance is bright and rustless, and it is round (cut pill, cylindrical).
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