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随着机夹可转位刀具的大面积推广与应用,硬质合金刀片的精化是非常重要的。目前,硬质合金厂生产的硬质合金刀片,大部分未经过精化,刀片的底面不平,刃口毛刺多不锋利,有的还呈锯齿口。为此,我们研制了机夹可转位刀片底面刃磨胎具和刀片刃口刃磨胎具,效果很好。底面刃磨胎具(图1)由底座、转动部分及可更换的定位盘组成。通过更换定位盘,可刃磨四角刀片、三角刀片,内接圆为φ10～19毫米的刀片底面,刀片底面精化后稍有凹心,不超过0.01～0.03毫米。刀升反放在定位盘上,转动手柄,定位盘带动刀片转动,用金刚石砂轮端面刃磨刀片底面。
With the machine folder indexable tool for large-scale promotion and application, carbide cutting blade is very important. At present, the cemented carbide blades produced by the cemented carbide plant are mostly not refined, the bottom surface of the blade is not flat, the edge burr is not sharp, and some are jagged. To this end, we have developed a machine clip indexable blade bottom grinding wheel and blade edge grinding machine, the effect is very good. Bottom grinding wheel (Figure 1) from the base, rotating parts and replaceable positioning plate. Through the replacement of the positioning plate, sharpening the four corners of the blade, the triangular blade, the inscribed circle is φ10 ~ 19 mm blade underside, the bottom of the blade after refining slightly concave, less than 0.01 ~ 0.03 mm. Knife upside down in the positioning plate, turn the handle, positioning plate driven blade rotation, with a diamond grinding wheel face grinding blade bottom.