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Floating Load Piston for a Strain-Gauge Load Cell
Ruge's floating piston takes the load and passes it straight down onto the column. It is bored so the column reaches up inside it, and two diaphragms hold it centred in 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 outside
Turn the outside
Saw a length of round bar, center and face it, and turn the outside to size, leaving clearance inside the shell.
此步骤所需材料：
低碳钢圆棒1 个所需工具：
钢锯
金属车床
车床鸡心夹
切削油
游标卡尺3
3
Bore it
Bore it
Chuck it, drill a starting hole from the lower end and bore it out with a boring bar, stopping short of the top: the column's rounded end bears on the end of the bore.
所需工具：
金属车床
镗杆切削油游标卡尺4
4
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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