UNIVER氣缸上海分公司直營(yíng)銷(xiāo)售
氣缸
下面是氣缸理論出力的計(jì)算公式：
F：氣缸理論輸出力(kgf)
F′：效率為85%時(shí)的輸出力(kgf)--(F′=F×85%）
D：氣缸缸徑(mm)
P：工作壓力(kgf/cm2)
例：直徑340mm的氣缸，工作壓力為3kgf/cm2時(shí)，其理論輸出力為多少?芽輸出力是多少?
將P、D連接，找出F、F′上的點(diǎn)，得：
F=2800kgf；F′=2300kgf
在工程設(shè)計(jì)時(shí)選擇氣缸缸徑，可根據(jù)其使用壓力和理論推力或拉力的大小，從經(jīng)驗(yàn)表1－1中查出。
例：有一氣缸其使用壓力為5kgf/cm2，在氣缸推出時(shí)其推力為132kgf，(氣缸效率為85%)問(wèn)：該選擇多大的氣缸缸徑?
●由氣缸的推力132kgf和氣缸的效率85%，可計(jì)算出氣缸的理論推力為F=F′/85%=155(kgf)
●由使用壓力5kgf/cm2和氣缸的理論推力，查出選擇缸徑為?63的氣缸便可滿足使用要求。 UNIVER氣缸上海分公司直營(yíng)銷(xiāo)售
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