芒果视频下载

材質

1．鉻釩(fan)鋼：化學(xue)符號CR-V，是鋼材中質(zhi)(zhi)量較好的；2．碳鋼：質(zhi)(zhi)量一般，市面流通的較多。

分類用途

扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)基(ji)本(ben)分(fen)為(wei)兩(liang)種，死扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)和(he)活扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)。前者指(zhi)的(de)(de)(de)是(shi)(shi)已經有(you)固定(ding)(ding)的(de)(de)(de)數字寫上的(de)(de)(de)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)，后者就是(shi)(shi)活動扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)了。1.呆(dai)(dai)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):一(yi)端或(huo)兩(liang)端制(zhi)有(you)固定(ding)(ding)尺寸(cun)(cun)的(de)(de)(de)開(kai)口(kou)，用(yong)(yong)(yong)以擰(ning)轉(zhuan)(zhuan)(zhuan)一(yi)定(ding)(ding)尺寸(cun)(cun)的(de)(de)(de)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)(mu)或(huo)螺(luo)(luo)(luo)(luo)(luo)栓(shuan)。2.梅(mei)花扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):兩(liang)端具有(you)帶(dai)六(liu)(liu)角孔(kong)或(huo)十二(er)角孔(kong)的(de)(de)(de)工作端，適(shi)用(yong)(yong)(yong)于工作空(kong)間狹小，不(bu)能使用(yong)(yong)(yong)普通扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)的(de)(de)(de)場合(he)。3.兩(liang)用(yong)(yong)(yong)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):一(yi)端與單呆(dai)(dai)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)相同(tong)，另(ling)(ling)一(yi)端與梅(mei)花扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)相同(tong)，兩(liang)端擰(ning)轉(zhuan)(zhuan)(zhuan)相同(tong)規(gui)格的(de)(de)(de)螺(luo)(luo)(luo)(luo)(luo)栓(shuan)或(huo)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)(mu)。4.活扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):開(kai)口(kou)寬度(du)可在一(yi)定(ding)(ding)尺寸(cun)(cun)范圍內進行調節,能擰(ning)轉(zhuan)(zhuan)(zhuan)不(bu)同(tong)規(gui)格的(de)(de)(de)螺(luo)(luo)(luo)(luo)(luo)栓(shuan)或(huo)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)(mu)。該扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)的(de)(de)(de)結構特點是(shi)(shi)固定(ding)(ding)鉗口(kou)制(zhi)成帶(dai)有(you)細齒的(de)(de)(de)平鉗凹(ao)；活動鉗口(kou)一(yi)端制(zhi)成平鉗口(kou)；另(ling)(ling)一(yi)端制(zhi)成帶(dai)有(you)細齒的(de)(de)(de)凹(ao)鉗口(kou)；向下(xia)按動蝸桿，活動鉗口(kou)可迅(xun)速取下(xia)，調換(huan)鉗口(kou)位置。5.鉤形扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):又稱月牙(ya)形扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)，用(yong)(yong)(yong)于擰(ning)轉(zhuan)(zhuan)(zhuan)厚度(du)受限制(zhi)的(de)(de)(de)扁螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)(mu)等。6.套筒扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):它(ta)是(shi)(shi)由多(duo)個(ge)帶(dai)六(liu)(liu)角孔(kong)或(huo)十二(er)角孔(kong)的(de)(de)(de)套筒并配有(you)手(shou)(shou)(shou)柄(bing)、接桿等多(duo)種附件組成，特別適(shi)用(yong)(yong)(yong)于擰(ning)轉(zhuan)(zhuan)(zhuan)地位十分(fen)狹小或(huo)凹(ao)陷很深處的(de)(de)(de)螺(luo)(luo)(luo)(luo)(luo)栓(shuan)或(huo)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)(mu)。7.內六(liu)(liu)角扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):成L形的(de)(de)(de)六(liu)(liu)角棒(bang)狀扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)，專用(yong)(yong)(yong)于擰(ning)轉(zhuan)(zhuan)(zhuan)內六(liu)(liu)角螺(luo)(luo)(luo)(luo)(luo)釘。內六(liu)(liu)角扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)的(de)(de)(de)型號(hao)是(shi)(shi)按照(zhao)六(liu)(liu)方的(de)(de)(de)對邊尺寸(cun)(cun)來說的(de)(de)(de)，螺(luo)(luo)(luo)(luo)(luo)栓(shuan)的(de)(de)(de)尺寸(cun)(cun)有(you)國家標準。用(yong)(yong)(yong)途：專供緊(jin)固或(huo)拆卸機(ji)床、車輛(liang)、機(ji)械設備上的(de)(de)(de)圓螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)(mu)用(yong)(yong)(yong)。8.扭(niu)力(li)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou):它(ta)在擰(ning)轉(zhuan)(zhuan)(zhuan)螺(luo)(luo)(luo)(luo)(luo)栓(shuan)或(huo)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)(mu)時，能顯示出所施加(jia)的(de)(de)(de)扭(niu)矩(ju)(ju)；或(huo)者當施加(jia)的(de)(de)(de)扭(niu)矩(ju)(ju)到達(da)規(gui)定(ding)(ding)值(zhi)后，會發出光或(huo)聲(sheng)響信號(hao)。扭(niu)力(li)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)適(shi)用(yong)(yong)(yong)于對扭(niu)矩(ju)(ju)大小有(you)明(ming)確地規(gui)定(ding)(ding)的(de)(de)(de)裝。

手動扳手

手(shou)(shou)(shou)(shou)(shou)動(dong)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)又(you)叫普通扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)，主要應用(yong)于普通生活工(gong)作中，它(ta)的(de)使用(yong)比較簡單，主要分為(wei)單頭呆扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、雙(shuang)頭呆扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、活扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、梅花扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、多用(yong)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、敲擊扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、套筒扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、套筒起子(zi)(zi)、扭力扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、扭矩扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、十(shi)字扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、棘(ji)輪(lun)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、鉤形扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、內六角扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、內四方(fang)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、手(shou)(shou)(shou)(shou)(shou)動(dong)離合(he)式扭矩扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、管子(zi)(zi)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、T型(xing)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、L型(xing)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、三叉(cha)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、月牙扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、油桶扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、輪(lun)胎扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、火(huo)花塞扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、濾(lv)清器扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、組(zu)合(he)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、其他(ta)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)等。扭矩扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)分為(wei)訊響扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、指(zhi)針扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)、數顯(xian)扳(ban)(ban)(ban)(ban)(ban)(ban)手(shou)(shou)(shou)(shou)(shou)。

手動扳手的使用

1．根據(ju)被緊(jin)固的緊(jin)固件(jian)的特點選用(yong)相應的扳手(shou)。2.旋(xuan)緊(jin)，用(yong)手(shou)握扳手(shou)柄(bing)末端，順時(shi)針(zhen)方向用(yong)力旋(xuan)緊(jin)；旋(xuan)松(song)，逆時(shi)針(zhen)方向旋(xuan)。

手動扳手特點

操作簡單(dan)、價格低、勞(lao)動強度大。

開口類扳手

開口扳手的(de)用途及技(ji)術特點

螺(luo)絲(si)是(shi)(shi)機(ji)械(xie)設備(bei)中主要的緊(jin)固件，開口(kou)(kou)(kou)扳(ban)手(shou)(shou)(shou)(shou)是(shi)(shi)機(ji)械(xie)行(xing)業(ye)加工(gong)(gong)(gong)(gong)，生產(chan)，維(wei)修的重要工(gong)(gong)(gong)(gong)具，該項目是(shi)(shi)傳(chuan)統(tong)扳(ban)手(shou)(shou)(shou)(shou)工(gong)(gong)(gong)(gong)具的一次革命，它有以下幾項優點。1．可快(kuai)速(su)(su)工(gong)(gong)(gong)(gong)作(zuo)，工(gong)(gong)(gong)(gong)作(zuo)速(su)(su)度(du)比傳(chuan)統(tong)扳(ban)手(shou)(shou)(shou)(shou)快(kuai)三(san)至四倍，比快(kuai)速(su)(su)扳(ban)手(shou)(shou)(shou)(shou)的工(gong)(gong)(gong)(gong)作(zuo)速(su)(su)度(du)還要快(kuai)。2．一個(ge)(ge)開口(kou)(kou)(kou)扳(ban)手(shou)(shou)(shou)(shou)可適(shi)用(yong)于(yu)(yu)2—6種規格的螺(luo)絲(si)，而一個(ge)(ge)雙頭(tou)呆(dai)扳(ban)手(shou)(shou)(shou)(shou)只(zhi)適(shi)用(yong)2種螺(luo)絲(si)。一個(ge)(ge)開口(kou)(kou)(kou)扳(ban)手(shou)(shou)(shou)(shou)相(xiang)當(dang)于(yu)(yu)2-3個(ge)(ge)呆(dai)扳(ban)手(shou)(shou)(shou)(shou)，相(xiang)當(dang)于(yu)(yu)一個(ge)(ge)活動扳(ban)手(shou)(shou)(shou)(shou)但(dan)不需調節(jie)開口(kou)(kou)(kou)就可快(kuai)速(su)(su)工(gong)(gong)(gong)(gong)作(zuo)。3．使(shi)用(yong)壽(shou)命長，壞(huai)不了，而且前快(kuai)速(su)(su)扳(ban)手(shou)(shou)(shou)(shou)易壞(huai)。4．制(zhi)造工(gong)(gong)(gong)(gong)藝簡(jian)單(dan)，其成本比呆(dai)扳(ban)手(shou)(shou)(shou)(shou)還要低。5．重量輕，便于(yu)(yu)攜帶(dai)，工(gong)(gong)(gong)(gong)作(zuo)省力。

表面處理

1．亮鉻(ge)(ge)：像(xiang)鏡面一樣(yang)的(de)(de)光亮；2．亞鉻(ge)(ge)：無光澤(ze)；3．電(dian)(dian)泳：黑色(se)，有亮度，在(zai)外加(jia)直流電(dian)(dian)的(de)(de)作用(yong)下，使帶電(dian)(dian)粒子在(zai)分散的(de)(de)介(jie)質力向陰極或(huo)者陽極做定向移動(dong)，促使物質的(de)(de)分離；4．磷(lin)化：黑色(se)，但(dan)光澤(ze)暗，把物質浸在(zai)磷(lin)化液中(zhong)，在(zai)便面沉(chen)積形成一層不溶于水的(de)(de)結(jie)晶型磷(lin)，是(shi)鹽酸轉換的(de)(de)過程(cheng)。5．灰鎳：是(shi)一種全新的(de)(de)表面處理方式，防銹(xiu)能力強，且(qie)會增加(jia)產品(pin)的(de)(de)使用(yong)年限。6.其他還有發黑，鎳鐵合金，珍珠鎳，黑鎳和(he)鍍鈦等處理。

檢測要求

1．不得(de)有(you)生銹，毛刺，裂(lie)紋和斑點等；2．扳口對稱，激光刻字(zi)要(yao)清楚；3．硬(ying)度要(yao)達到(dao)規定標準，且(qie)卡位要(yao)準確4．活絡(luo)扳手的渦輪運作要(yao)靈活，銷軸不能松動