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无心磨床上使用的托板,一般都是用高合金工具钢制成整体的。由于托板面积大,厚度薄,因此不容易制造,特别是热处理工序更不易掌握,常常为了防止废品而放大磨量。整体托板磨损到一定的程度时,就不能使用而报废了。所以整体托板主要有两个缺点:1)多用了贵重的高合金工具钢;2)制造比较困雉。如果用镶嵌式托板代替整体托板,就能克服这两个缺点。附图就是镶嵌式托板。托板体可用碳钢板或合金结构钢板制成。在托
Careless grinder used pallet, are generally made of high alloy tool steel as a whole. Because pallet area is large, the thickness is thin, so it is not easy to manufacture, especially heat treatment process is more difficult to grasp, often to prevent waste and enlarge the amount of grinding. The overall pallet wear to a certain extent, it can not be used and scrapped. Therefore, the overall pallet has two main drawbacks: 1) the use of expensive high-alloy tool steel; 2) to make more sleepy pheasant. If the inlay pallets instead of the overall pallet, you can overcome these two shortcomings. The figure is inlaid pallet. Pallet body can be made of carbon steel or alloy structural steel. In care