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Base and Cylindrical Shell for a Strain-Gauge Load Cell
Ruge's load cell stands on a heavy base with a rigid cylindrical shell fixed to it. The column screws into the base; the diaphragms are fixed to the shell.
中级
A few hours
说明
1
1
Watch: boring a hole on a lathe
Watch: boring a hole on a lathe
Boring a hole step by step on a metal lathe.
2
2
Turn the base
Turn the base
Cut a round blank from thick plate, face both sides and turn the edge. Drill and tap a hole in the centre for the column.
此步骤所需材料：
低碳钢板1 个所需工具：
钢锯
金属车床
台钻
丝锥板牙套装3
3
Bore the shell
Bore the shell
Bore a thick-walled cylinder from round bar, faced square at both ends.
此步骤所需材料：
低碳钢圆棒1 个所需工具：
金属车床
镗杆
切削油
游标卡尺4
4
Braze shell to base
Braze shell to base
Clean the joint, flux it with borax and braze the shell to the base with silver solder (Ruge: welded, or otherwise secured).
此步骤所需材料：
银焊料1 as required
硼砂粉1 as required所需工具：
丙烷喷灯
台虎钳5
5
Limits
Limits
Ruge's patent gives the part's shape and job but no material or size. Mild steel and silver-solder brazing are our choice; size it to the load you need. Lathe method after Palmateer, Elementary Machine Shop Practice (1918).
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