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日本*夾緊氣缸庫存現(xiàn)貨

根據(jù)工作所需力的大小來確定活塞桿上的推力和拉力。由此來選擇氣缸時(shí)應(yīng)使氣缸的輸出力稍有余量。若缸徑選小了，輸出力不夠，氣缸不能正常工作；但缸徑過大，不僅使設(shè)備笨重、成本高，同時(shí)耗氣量增大，造成能源浪費(fèi)。在夾具設(shè)計(jì)時(shí)，應(yīng)盡量采用增力機(jī)構(gòu)，以減少氣缸的尺寸。 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，

日本*夾緊氣缸庫存現(xiàn)貨

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日本*夾緊氣缸庫存現(xiàn)貨
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日本*夾緊氣缸庫存現(xiàn)貨