一、螺絲攻有幾種
螺(luo)(luo)絲(si)攻(gong)(gong)因使用的目的不同而有種(zhong)種(zhong)形狀,JIS規格(ge)上就規定有手(shou)絞絲(si)攻(gong)(gong)、螺(luo)(luo)帽絲(si)攻(gong)(gong)、管用絲(si)攻(gong)(gong)等(deng)等(deng)。主(zhu)要種(zhong)類(lei)如下:
1、等徑手絞絲攻:一般用手絞絲攻(SKH.SKS)、鑄鐵用手(shou)(shou)絞(jiao)(jiao)絲攻(gong)、壓(ya)鑄件用手(shou)(shou)絞(jiao)(jiao)絲攻(gong)、塑(su)樹脂件用手(shou)(shou)絞(jiao)(jiao)絲攻(gong)、高硬鋼用手(shou)(shou)絞(jiao)(jiao)絲攻(gong)、螺絲襯(chen)套用絲攻(gong)、加(jia)大尺寸用手(shou)(shou)絞(jiao)(jiao)絲攻(gong)(SKH.SKS)、碳化(hua)鎢(wu)絲攻(gong)。
2、螺帽絲攻:螺帽絲攻(SKH.SKS)。
3、管用絲攻:一(yi)般管用(yong)推(tui)(tui)拔(ba)絲攻(gong)(SKH.SHS)、短螺絲形推(tui)(tui)拔(ba)絲攻(gong)、鑄鐵(tie)用(yong)推(tui)(tui)拔(ba)絲攻(gong)、軟鐵(tie)用(yong)推(tui)(tui)拔(ba)絲攻(gong)、管用(yong)推(tui)(tui)拔(ba)互塔(ta)斷續絲攻(gong)、一(yi)般管用(yong)平(ping)行(xing)絲攻(gong)(SKH.SKS)。
4、先端絲攻:一般(ban)用(yong)先端絲攻(gong)、不銹(xiu)鋼(gang)用(yong)先端絲攻(gong)、深孔(kong)用(yong)先端絲攻(gong)、槍(qiang)膛絲攻(gong)(Gun Flute Tap)。
5、蝸旋絲攻:一般用(yong)(yong)蝸(gua)旋絲(si)攻、不(bu)銹鋼用(yong)(yong)蝸(gua)旋絲(si)攻、高碳鋼用(yong)(yong)蝸(gua)旋絲(si)攻、深孔(kong)用(yong)(yong)蝸(gua)旋絲(si)攻、左(zuo)蝸(gua)旋絲(si)攻。
6、無槽絲攻:鋼(gang)用(yong)High Roll Tap無(wu)槽絲攻、鋼(gang)用(yong)New Roll Tap非圓絲攻、非鐵金屬(shu)用(yong)無(wu)槽絲攻、非鐵金屬(shu)用(yong)非圓絲攻。
7、柄部特殊絲攻:莫氏推拔絲(si)(si)攻(gong)、彎柄(bing)絲(si)(si)攻(gong)、培安絲(si)(si)攻(gong)、套柄(bing)絲(si)(si)攻(gong)、長(chang)柄(bing)絲(si)(si)攻(gong)、皮帶輪絲(si)(si)攻(gong)。
8、復合絲攻:有鉆頭絲(si)攻(gong)[A型(xing)(xing)(鑄鐵(tie)用(yong))鉆頭絲(si)攻(gong)、B型(xing)(xing)(鋼用(yong))鉆頭絲(si)攻(gong)]、增(zeng)徑絲(si)攻(gong)、帶絞刀絲(si)攻(gong)、異徑絲(si)攻(gong)、帶道桿絲(si)攻(gong)。
9、刃部可換絲攻:殼(ke)型絲攻(gong)、鑲刃絲攻(gong)。
10、其他:直徑增大絲(si)攻、種絲(si)。
二、螺絲攻頭攻和二攻之間的區別
絲錐的(de)頭攻(gong)和二攻(gong)之(zhi)間的(de)區別如下:
1、造型不同 頭(tou)攻前端多(duo)了一小段攻形的(de)不(bu)完全螺紋(wen)部分,在(zai)攻絲過程中起導(dao)向和降低(di)切(qie)削(xue)力(li)的(de)作用。二(er)攻沒有不(bu)完全螺紋(wen)部分。 2、攻絲對象不同 在攻通孔螺紋時(shi),只需用頭攻就可以(攻到導向(xiang)部(bu)分(fen)完全(quan)露出為止)。 對于(yu)盲孔螺紋(wen),如(ru)果想充分利用鉆孔深度,以得(de)到盡(jin)可能長的(de)完整螺紋(wen),則(ze)需使用二攻,二攻特別適(shi)用于(yu)盲孔螺紋(wen)長度與孔深尺(chi)寸相差較小的(de)場合。 3、前部錐體不同 頭攻(gong)前部(bu)攻(gong)體長,便于(yu)導向(xiang),容易攻(gong)入(ru)。 二攻前部攻體短,使(shi)螺(luo)紋更圓滑,螺(luo)絲能夠輕易的擰進(jin)去。 4、外觀上不同 頭(tou)攻(gong)(gong)(gong)的切削(xue)部分斜度較長,一般有(you)5-7個(ge)(ge)不完整牙(ya)(ya)形;二(er)攻(gong)(gong)(gong)較短(duan),只有(you)1-2個(ge)(ge)不完整牙(ya)(ya)形。頭(tou)攻(gong)(gong)(gong)前部攻(gong)(gong)(gong)體長,便(bian)于導向;二(er)攻(gong)(gong)(gong)前部攻(gong)(gong)(gong)體短(duan)。 5、分類方式上不同 絲錐是用來加工內螺紋的刀具,是指碳素工具鋼或合金工具鋼滾牙(或切牙)絲錐,適用(yong)于手(shou)工攻(gong)(gong)絲。按加工方式(shi)分類中的機用(yong)絲錐一般(ban)為一支,手(shou)用(yong)絲攻(gong)(gong)可分為三個一組或兩個一組,即頭攻(gong)(gong)、二攻(gong)(gong)、三攻(gong)(gong)。 6、使用順序不同 頭攻(gong)(gong)先攻(gong)(gong)出螺紋的(de)輪(lun)廓,二(er)(er)(er)攻(gong)(gong)在(zai)其(qi)基礎上把螺紋做的(de)更(geng)圓滑,使(shi)螺絲能夠輕易的(de)擰進去!頭攻(gong)(gong)是用來攻(gong)(gong)第一次的(de),二(er)(er)(er)攻(gong)(gong)是用來攻(gong)(gong)第二(er)(er)(er)次的(de)。使(shi)用的(de)時候一般通過專用扳手進行(xing)切削。