1．鉻釩(fan)鋼(gang)(gang)：化學符號CR-V，是鋼(gang)(gang)材中質量較好的；2．碳鋼(gang)(gang)：質量一(yi)般(ban)，市面流通的較多。
扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)基(ji)本分(fen)為兩(liang)種(zhong)，死(si)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)和活(huo)(huo)(huo)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)。前者(zhe)指的是(shi)已經有(you)固(gu)定(ding)的數字寫上(shang)的扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)，后者(zhe)就是(shi)活(huo)(huo)(huo)動(dong)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)了。1.呆扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):一端(duan)(duan)或(huo)(huo)兩(liang)端(duan)(duan)制(zhi)有(you)固(gu)定(ding)尺(chi)(chi)寸(cun)的開口(kou)，用(yong)(yong)(yong)以擰(ning)(ning)轉(zhuan)一定(ding)尺(chi)(chi)寸(cun)的螺(luo)母(mu)或(huo)(huo)螺(luo)栓(shuan)。2.梅(mei)花(hua)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):兩(liang)端(duan)(duan)具有(you)帶六角(jiao)(jiao)孔或(huo)(huo)十二角(jiao)(jiao)孔的工(gong)作端(duan)(duan)，適(shi)(shi)用(yong)(yong)(yong)于(yu)(yu)(yu)工(gong)作空間狹小，不能使用(yong)(yong)(yong)普通扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)的場合。3.兩(liang)用(yong)(yong)(yong)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):一端(duan)(duan)與單呆扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)相(xiang)同(tong)，另(ling)一端(duan)(duan)與梅(mei)花(hua)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)相(xiang)同(tong)，兩(liang)端(duan)(duan)擰(ning)(ning)轉(zhuan)相(xiang)同(tong)規(gui)格(ge)的螺(luo)栓(shuan)或(huo)(huo)螺(luo)母(mu)。4.活(huo)(huo)(huo)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):開口(kou)寬度可(ke)在(zai)一定(ding)尺(chi)(chi)寸(cun)范圍(wei)內(nei)進行調節,能擰(ning)(ning)轉(zhuan)不同(tong)規(gui)格(ge)的螺(luo)栓(shuan)或(huo)(huo)螺(luo)母(mu)。該扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)的結(jie)構(gou)特(te)點是(shi)固(gu)定(ding)鉗(qian)(qian)(qian)口(kou)制(zhi)成帶有(you)細齒(chi)的平(ping)鉗(qian)(qian)(qian)凹；活(huo)(huo)(huo)動(dong)鉗(qian)(qian)(qian)口(kou)一端(duan)(duan)制(zhi)成平(ping)鉗(qian)(qian)(qian)口(kou)；另(ling)一端(duan)(duan)制(zhi)成帶有(you)細齒(chi)的凹鉗(qian)(qian)(qian)口(kou)；向下(xia)按動(dong)蝸(gua)桿，活(huo)(huo)(huo)動(dong)鉗(qian)(qian)(qian)口(kou)可(ke)迅速(su)取下(xia)，調換鉗(qian)(qian)(qian)口(kou)位(wei)置(zhi)。5.鉤形扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):又稱(cheng)月(yue)牙形扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)，用(yong)(yong)(yong)于(yu)(yu)(yu)擰(ning)(ning)轉(zhuan)厚度受限制(zhi)的扁(bian)螺(luo)母(mu)等。6.套(tao)筒扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):它是(shi)由多個帶六角(jiao)(jiao)孔或(huo)(huo)十二角(jiao)(jiao)孔的套(tao)筒并(bing)配有(you)手(shou)(shou)(shou)(shou)(shou)(shou)柄、接桿等多種(zhong)附(fu)件組成，特(te)別適(shi)(shi)用(yong)(yong)(yong)于(yu)(yu)(yu)擰(ning)(ning)轉(zhuan)地位(wei)十分(fen)狹小或(huo)(huo)凹陷很深處的螺(luo)栓(shuan)或(huo)(huo)螺(luo)母(mu)。7.內(nei)六角(jiao)(jiao)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):成L形的六角(jiao)(jiao)棒狀扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)，專用(yong)(yong)(yong)于(yu)(yu)(yu)擰(ning)(ning)轉(zhuan)內(nei)六角(jiao)(jiao)螺(luo)釘。內(nei)六角(jiao)(jiao)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)的型號是(shi)按照六方的對邊尺(chi)(chi)寸(cun)來說的，螺(luo)栓(shuan)的尺(chi)(chi)寸(cun)有(you)國家標準。用(yong)(yong)(yong)途：專供(gong)緊固(gu)或(huo)(huo)拆卸機床、車(che)輛、機械設(she)備(bei)上(shang)的圓螺(luo)母(mu)用(yong)(yong)(yong)。8.扭(niu)力扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou):它在(zai)擰(ning)(ning)轉(zhuan)螺(luo)栓(shuan)或(huo)(huo)螺(luo)母(mu)時，能顯示出所施加(jia)的扭(niu)矩；或(huo)(huo)者(zhe)當施加(jia)的扭(niu)矩到(dao)達規(gui)定(ding)值后，會(hui)發出光或(huo)(huo)聲(sheng)響信(xin)號。扭(niu)力扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)(shou)適(shi)(shi)用(yong)(yong)(yong)于(yu)(yu)(yu)對扭(niu)矩大小有(you)明(ming)確地規(gui)定(ding)的裝。
手(shou)(shou)(shou)(shou)(shou)動扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)又叫(jiao)普通(tong)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)，主要應用于(yu)普通(tong)生活(huo)工作中，它的使用比(bi)較簡單(dan)，主要分為單(dan)頭呆扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、雙頭呆扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、活(huo)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、梅花(hua)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、多用扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、敲擊(ji)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、套(tao)筒(tong)(tong)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、套(tao)筒(tong)(tong)起子(zi)(zi)、扭(niu)力扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、扭(niu)矩扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、十字扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、棘(ji)輪扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、鉤形扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、內(nei)(nei)六角扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、內(nei)(nei)四方扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、手(shou)(shou)(shou)(shou)(shou)動離合(he)式(shi)扭(niu)矩扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、管子(zi)(zi)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、T型扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、L型扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、三(san)叉扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、月牙(ya)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、油(you)桶扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、輪胎(tai)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、火花(hua)塞扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、濾清器扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、組合(he)扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、其他扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)等(deng)。扭(niu)矩扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)分為訊(xun)響扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、指(zhi)針扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、數(shu)顯扳(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)。
手動扳手的使用
1．根據被緊固的緊固件的特(te)點(dian)選用相應(ying)的扳手(shou)(shou)。2.旋(xuan)(xuan)緊，用手(shou)(shou)握扳手(shou)(shou)柄末端，順時(shi)針(zhen)方(fang)向用力旋(xuan)(xuan)緊；旋(xuan)(xuan)松，逆時(shi)針(zhen)方(fang)向旋(xuan)(xuan)。
手動扳手特點
操(cao)作簡(jian)單、價格低、勞動強度大。
開口扳手的用途及技術特(te)點
螺(luo)絲(si)是機(ji)械設備中主要的(de)緊(jin)固(gu)件，開(kai)口(kou)扳(ban)手(shou)(shou)(shou)(shou)是機(ji)械行(xing)業加工(gong)(gong)(gong)，生(sheng)產，維(wei)修(xiu)的(de)重(zhong)要工(gong)(gong)(gong)具，該項(xiang)目(mu)是傳統扳(ban)手(shou)(shou)(shou)(shou)工(gong)(gong)(gong)具的(de)一次革(ge)命(ming)，它有以下幾項(xiang)優點。1．可(ke)快(kuai)(kuai)速(su)工(gong)(gong)(gong)作(zuo)，工(gong)(gong)(gong)作(zuo)速(su)度比傳統扳(ban)手(shou)(shou)(shou)(shou)快(kuai)(kuai)三至四倍，比快(kuai)(kuai)速(su)扳(ban)手(shou)(shou)(shou)(shou)的(de)工(gong)(gong)(gong)作(zuo)速(su)度還要快(kuai)(kuai)。2．一個(ge)開(kai)口(kou)扳(ban)手(shou)(shou)(shou)(shou)可(ke)適(shi)用(yong)于(yu)(yu)(yu)2—6種規格的(de)螺(luo)絲(si)，而一個(ge)雙頭呆(dai)扳(ban)手(shou)(shou)(shou)(shou)只(zhi)適(shi)用(yong)2種螺(luo)絲(si)。一個(ge)開(kai)口(kou)扳(ban)手(shou)(shou)(shou)(shou)相(xiang)當于(yu)(yu)(yu)2-3個(ge)呆(dai)扳(ban)手(shou)(shou)(shou)(shou)，相(xiang)當于(yu)(yu)(yu)一個(ge)活動扳(ban)手(shou)(shou)(shou)(shou)但不需調節(jie)開(kai)口(kou)就可(ke)快(kuai)(kuai)速(su)工(gong)(gong)(gong)作(zuo)。3．使用(yong)壽命(ming)長(chang)，壞不了，而且前快(kuai)(kuai)速(su)扳(ban)手(shou)(shou)(shou)(shou)易壞。4．制造工(gong)(gong)(gong)藝簡單，其成(cheng)本(ben)比呆(dai)扳(ban)手(shou)(shou)(shou)(shou)還要低。5．重(zhong)量輕，便于(yu)(yu)(yu)攜帶，工(gong)(gong)(gong)作(zuo)省力。
1．亮鉻：像鏡面一樣的(de)(de)(de)光亮；2．亞鉻：無光澤(ze)；3．電泳：黑(hei)(hei)色，有亮度，在(zai)外(wai)加直流電的(de)(de)(de)作用(yong)(yong)下，使(shi)帶電粒子在(zai)分(fen)散的(de)(de)(de)介質力向(xiang)陰極或者陽極做定向(xiang)移動，促使(shi)物(wu)(wu)質的(de)(de)(de)分(fen)離；4．磷化：黑(hei)(hei)色，但光澤(ze)暗，把物(wu)(wu)質浸在(zai)磷化液中，在(zai)便面沉積形成一層不溶(rong)于水的(de)(de)(de)結晶(jing)型磷，是(shi)鹽酸轉換的(de)(de)(de)過程(cheng)。5．灰鎳(nie)(nie)(nie)(nie)：是(shi)一種全新的(de)(de)(de)表面處(chu)(chu)理方式，防銹(xiu)能力強，且(qie)會增加產品的(de)(de)(de)使(shi)用(yong)(yong)年限。6.其他(ta)還有發黑(hei)(hei)，鎳(nie)(nie)(nie)(nie)鐵(tie)合金，珍(zhen)珠鎳(nie)(nie)(nie)(nie)，黑(hei)(hei)鎳(nie)(nie)(nie)(nie)和鍍鈦等處(chu)(chu)理。
1．不(bu)得有生(sheng)銹，毛(mao)刺，裂紋和斑點等；2．扳口對(dui)稱，激(ji)光刻(ke)字要(yao)清楚(chu)；3．硬(ying)度(du)要(yao)達到(dao)規(gui)定標準，且卡位要(yao)準確4．活絡扳手的(de)渦輪運作要(yao)靈活，銷軸不(bu)能松動(dong)
歲月靜(jing)好
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