鋸割下料的留量鋸削下料工藝

1、http:/www .1 鋸割下料的留量鋸削下料工藝Cutting the material.1機(jī)械鋸割Mechanical sawing.1.1弓鋸床用于切割扁鋼、圓鋼和各種型鋼。機(jī)械鋸割時(shí)，可將材料用夾具束成一起再起鋸。常用的型鋼可利 用螺栓和壓板或?qū)Ｓ脢A具夾緊的方法。1.1 hacksaw machine used to cut flat steel, roundsteel and all kinds of steel. When mechanical sawing, but the material use jig bundle togetherinto a back saw. Com

2、monlyused steel available bolt and plate or special fixture clamping method.1.2鋸割下料時(shí)，常用各種型材的鋸削下料工藝留量參見表。1.2 sawing blanking, all kinds of commonly usedprofiles of saw cutting blanking technology allowance see table.。A圓鋼、方鋼、鋼管的鋸削下料工藝留量直切工件長(zhǎng)度mm夾徑口； >> >> >> >>頭或宀兀552515m邊度00000

3、0m距B-0000離m2-00dm051-0005000000m端面工藝留量變2a(mm)mV弓322345613鋸50>2345683080下料板限偏差v± a/4b型鋼的鋸削下料工藝留量高度X邊 長(zhǎng)HX bmm切口寬B (用圓 錐片)mm工件長(zhǎng)度mm1000>1000-5000> 5000端面工藝留量2a(mm)v 100X 687357100X68-630X19051015下料極限偏差v± a/4.1.3 鋸割分遠(yuǎn)鋸和近起鋸兩種。一般用遠(yuǎn)起鋸較好， 鋸齒不易卡住。.1.4鋸割速度不能過快或過慢，推據(jù)時(shí)壓力不能過大， 否則容易折斷鋸條。.2砂輪切割.2

4、.1 砂輪切割機(jī)用于釀酒設(shè)備切割圓鋼和異型鋼管、 角鋼、扁鋼等各種型鋼。.2.2切割各種型材宜單件切割，不能幾件或多件束在一起。.2.3 砂輪下料時(shí)，常用各種型材的切割下料工藝留量參見表直徑或?qū)吘?離mm切 口寬Bmm工件長(zhǎng)度mm1000>1000-5000> 5000端面工藝留量2a(mm)v 1004357>100-1506468下料極限偏差v± a/4.2.4切割時(shí)將型材裝在可轉(zhuǎn)夾鉗上，驅(qū)動(dòng)電動(dòng)機(jī)通過皮帶傳動(dòng)砂輪卡進(jìn)行切割，用操縱手柄控制切割速度。 操作時(shí)要均勻平穩(wěn)，膨潤(rùn)土防水毯不能用力過猛，以免 過載或砂輪崩裂。礦用塑料網(wǎng)操作中人應(yīng)要站在砂輪片 側(cè)面，不準(zhǔn)對(duì)面操作。.2.4 will be cutting the profile in a convertibleclamp, the drive motor through a belt drive wheelcard for cutting, cutting speed is controlled bycontrol handle. Operation to smooth uniform, can't too hard, so as not to overload or grinding wheelin besplit. Operating middleman s