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会社概要
弊社の戦略と設備
独自の工程とその機器
シリンダー預託・管理サービス
シリンダー資材センター
Ecoシリンダー
シリンダーの品質・精度基準
シリンダーの品質・精度基準
■Precision Standard
Measurement method Error measurement

Quality control

Roundness Z direction(three points)
within 0.02o
Measured with a dial gauge on the finishing CNC lathe for one to two times per day.
X direction(three points)
within 0.02o

Cylindricity

(Taper measurement)

Z direction(two points)

30o from the both edge
within 0.02o
Measured by micrometer for every lot.
Allowable error Diameter 0 to -0.02o
Length ±0.5mm

■Quality Standard
test cylinder
pipe
flange
150mm×5.5mm×500mm
STKM13A(Sumitomo metal)
SS400
Surface roughness Ra 0.3μm
Hardness(pipe)

Macro Vickers Hardness: 128 HV0.1 (test piece 7x30x40)

Pressure Resistance X direction:20KN
Z direction(flange):70KN to 180KN
No cracks on the welding part between pipe an flange
 
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