生產(chǎn)比較寬的鑄鐵平臺刀具如何選擇
時(shí)間：2015/12/10 14:37:19
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生產(chǎn)比較寬的鑄鐵平臺如何選擇刀具
生產(chǎn)超寬鑄鐵平板主要是加工平面及平行面,由于尺寸較大,精度要求較高,鑄鐵平板平面在加工中要注意裝夾方法,正確的選擇刀具和機床的調整。
鑄鐵平板的裝夾：鑄鐵平板安裝在龍門(mén)刨床的兩立柱之間，使鑄鐵平板兩側面與工作臺的兩側面之間的距離大致相等，并用畫(huà)線(xiàn)盤(pán)找正鑄鐵平板的側面使其與工作臺側面大致平行。粗加工時(shí)，因為鑄鐵平板的底面是毛坯面（粗基準），為了便于找正鑄鐵平板的加工平面與工作臺面平行，以及保護工作臺面，應在鑄鐵平板的四個(gè)角上放置等高的墊鐵，應使平板四個(gè)角位于同一平面。
鑄鐵平板的夾緊方法應按平板的外形情況而定。若鑄鐵平板的兩端有臺階或凹槽，則可用壓板在該處搭壓。若工平板兩端無(wú)法搭壓板，可用斜鐵或螺絲撐將平板夾緊。
刀具的選擇
1、機械夾固式尖頭刨刀。適用于鑄鐵平板的粗加工或半精加工。
2、平頭精刨刀。這種刀具的切削刃較寬且平直，適宜鑄鐵平板的精刨和半精刨用。
3、根據鑄鐵平板的被加工表面與刀具的相對位置，將橫梁的高度調到適當的位置。
4、將兩個(gè)側刀架的高度調到適宜刨削平板兩側面的位置。
5、因鑄鐵平板的重量大，行程長(cháng)，所以切削速度不宜選擇過(guò)高。要在運行中調整行程長(cháng)短，并要求在工作行程開(kāi)始時(shí)能使刀具低速切入平板，在工作行程結束時(shí)能使刀具低速切出鑄鐵平板。
How to Select Tools for Wider Cast Iron Platform
The production of ultra-wide cast iron plate is mainly to process plane and parallel plane. Because of its large size and high precision requirement, attention should be paid to the clamping method in the processing of cast iron plate plane, and the correct choice of tool and machine adjustment.
Clamping of cast iron plate: The cast iron plate is installed between the two pillars of the gantry planer, so that the distance between the two sides of the cast iron plate and the two sides of the worktable is roughly equal, and the side of the cast iron plate is roughly parallel to the side of the worktable with a drawing disc. When roughing, because the bottom of the cast iron plate is the rough surface (rough datum), in order to find out the processing plane of the cast iron plate is parallel to the working table surface and protect the working table surface, it is necessary to place an equal height pad iron on the four corners of the cast iron plate, so that the four corners of the plate should be located on the same plane.
The clamping method of cast iron plate should be determined according to the shape of the plate. If there are steps or grooves at both ends of the cast iron plate, the pressing plate can be used to build up pressure there. If the two ends of the flat plate can not be built up, the flat plate can be clamped by inclined iron or screw support.
Tool selection
1. Mechanical clamping pointed planer. It is suitable for roughing or semi-finishing of cast iron plate.
2. Flat-end planer. The cutting edge of this kind of tool is wide and straight. It is suitable for precision and semi-precision planer of cast iron plate.
3. According to the relative position of the machined surface of the cast iron plate and the cutting tool, the height of the cross beam is adjusted to an appropriate position.
4. Adjust the height of the two side tool holders to the suitable position for planing the two sides of the flat plate.
5. Because of the heavy weight and long travel of cast iron plate, the cutting speed should not be too high. In order to adjust the stroke length in operation, it is required that the tool can cut into the flat plate at low speed at the beginning of the working stroke and cut out the cast iron flat plate at low speed at the end of the working stroke.
Company name: botou zhuoyuan mechanical equipment manufacturing co.,LTD
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