液压胶管接头.doc
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1、接头工作压力表 Working Pressure接头联接型式Connection1 国标接头联接型式GB Connection1.1 74 锥面密封型式 74 Cone Seal(GB/T 9065.1) 2 德国DIN 标准联接型式 DIN Connection2.1 用卡套进行卡压密封型式Compression Fitting(DIN 2353)2.2 用24锥面加O 形圈密封型式 24 Cone O-Ring Seal(DIN 3865)2.3 用球面与24锥面密封型式 Multiseal To 24Cone 3 美国接头联接型式American Thread Type3.1 用60锥管
2、螺纹密封型式 60 Tapered Thread Seal(SAE J514) 3.4 90锥面密封型式90 Cone Seal(SAE J513) 3.7 用O 形圈密封的法兰接头Flange Coupling(SAE J518)油口型式及尺寸Port2 ISO 6149-1 公制螺纹油口及相配柱端 ISO 6149-1 metric thread port and mating stud end. 接头概述及装配说明FITTINGS AND FITTINGS ASSEMBLY INSTRUCTIONSO 形圈平面密封接头O-RING FACE SEAL FITTINGSO 形圈平面密封接头
3、概述O-RING FACE SEAL FITTINGS INSTRUCTIONS O 形圈平面密封的基本结构可以有两种,第一种为:由接头体、O 形圈、螺母、接管组成,接管与系统管路中的钢管焊接连接,如图1 所示。第二种为:由接头体、O 形圈、螺母、衬套组成,管子被翻边成90,如图2 所示。使用图1 所示的基本结构时,须保证焊接的质量。The fitting has two types.The first type consists of a body,an O-ring,a nut and the tube.The tube is brazed with the system steel tu
4、be,see Fig. 1.The second type consists of a body,an O-ring, a nut and a sleeve.As shown in Fig. 2,the tube is flanged to 90. O 形圈平面密封能很好的适用于高压系统,如使用硬度为N90 的O 形圈,能有更好的密封作用,更有效的防止泄漏。由于使用O 形圈密封,因此使用的温度范围受O 形圈材质的影响。 O-ring face seal fittings are suit for high pressure system.If O-rings are of 90 duromet
5、er hardness,the sealing will better. O 形圈平面密封接头的连接螺纹有两种:公制螺纹(见A1-A),美制ORFS 螺纹(见J1-J)。 The O-ring face seal fitting has two connected thread:metric thread (see A1-A) and ORFS thread (see J1-J). O 形圈密封槽的结构有三种,见图3、4、5。其中3 结构能保持O 形圈在安装时或垂直倒置时不掉下,方便安装;负压时O 形圈不会被吸入油路。4 结构则不具备3 结构的前一优点。5 结构既不具备3 结构的前一优点,而且
6、负压时会被吸入油路。 As shown in Fig. 3,Fig. 4 and Fig. 5,the O-ring seal groove has three types. The advantage of type Fig. 3 : It is very convenience for installation, when put the groove adown O-ring could be held in the groove and not drop; The O-ring could not enter the hydraulic system when the pressure
7、 is negative. The type Fig. 4 has only the later advantage of the type Fig. 3. The type Fig. 5 has no above advantage. 对公制螺纹的O 形圈槽如需按JB 标准生产时,为图5 的结构。本公司建议选用图3 结构,用户可在订货时用文字说明。如未说明,一般按图5 所示的JB 标准生产。对美制ORFS 螺纹的O 形圈槽,本公司全部采用图3 结构生产,不生产图4 或图5 结构.For metric thread O-ring groove JB standard is type Fig.
8、5, but we suggest that the type Fig. 3 should be chosen andmake a annotation when order. If no annotation we produce as type Fig. 5 general.For ORFS O-ring groove ,we produce as type Fig. 3 only.O 形圈平面密封接头安装O-RING FACE SEAL FITTINGS ASSEMBLY INSTRUCTIONS 安装Assembly 重复安装Reassembly 泄漏原因Leakage reason1
9、 对图1 的基本结构,在安装前应先垂直锯下钢管( 1以内),去掉内外径毛刺,并去油及氧化物,套上螺母后再焊接。对图2 的基本结构,在垂直锯下后用专用设备将管端翻边成90,且尺寸D 应在D1 和D2 之间,见图6。As shown in Fig. 1,the tube end is cut squarely(within +/- 1degree) before assembled.Deburr the O.D. and I.D. of the tube.Remove all oil and oxide.As shown in Fig. 2,the tube is flanged to 90 af
10、ter cut.Diamter D should fall between diameterD1 and D2, see Fig. 6 1 如果接头体未放置O 形圈,则应先放好O 形圈。The fitting body should be installed O-ring firstly.2 按图1 或图2,将接管或钢管翻边压住接头体O 形圈,用手拧紧螺母,再用扭矩扳手按P 的扭矩建议表扳紧;如无扭矩扳手,可用普通扳手再拧紧1/4 到1/2 圈。As shown in Fig. 1 or Fig. 2,place tube assembly against the fitting body s
11、o that the flat face of the sleeve (or flanged tube)comes in full contact with the O-ring.Thread the nut onto the fitting body by hand and tighten it to the recommended torquetable with a torque wrench.If torque wrenches are not available, tighten i1/4 to 1/2 turn with general wrench. 重复安装Reassembly
12、由于是平面密封型式且与安装力垂直,在安装过程中O 形圈可能会扭曲,因此每次重复安装时,应检查O 形圈有无损坏,必要时需更换。Because the sealing surfaces are flat and perpendicular to the assemple pull,the O-ring may be distorted during assembly. The O-ring should be inspected at each disassembly and replaced when necessary. 泄漏原因Leakage reason 1 O 形圈未正确的安放在O 形圈
13、槽内。The O-ring is installed in the face seal groove improperly.2 O 形圈有损伤或损坏。The O-Ring is damaged.3 接头密封面、接管或翻边有凹坑或其他影响密封的缺陷。 The sealing surface,the tube or the flangeis not flat.4 翻边过大或过小,不能压住O 形圈。The flange is too large or too small that the O-ring cant be compressed.5 O 形圈材质不适用于工作温度。The O-Ring ma
14、terial is not suit for working temperature.6 O 形圈硬度不够。The O-ring hardness is not enough.7 连接螺母松开。The connected nut is loosen.卡套接头BITE TYPE TUBE FITTINGS卡套接头概述BITE TYPE TUBE FITTINGS INSTRUCTIONS卡套式管接头由三部分组成:接头体、卡套、螺母。当卡套和螺母套在钢管上插入接头体后,旋紧螺母时,卡套前端外侧与接头体锥面贴合,内刃均匀地咬入无缝钢管,形成有效密封。见图P1。 24锥的W型柱端按DIN 3861 标
15、准。卡套采用双刃卡套。通常情况接头体和螺母表面镀锌处理。接头适用的工作压力最高可达63MPa,无缝钢管外径最大为42mm。Bite type fitting consists of three parts: body, cutting ring and nut. When tightening nut, cutting ring is driven forward on the tube then bites the tube with the edge of cutting ring, this is how sealing is achieved and results in intern
16、al ridge inside the tube. See Fig-7.The tube connection side of fitting is manufactured in accordance with standard: DIN 3861. In general, body and nuts surface is plated zinc. Bite type fitting can be used in system with Max 63MPa. The connection tube OD is Max 42mm.卡套接头的装配BITE TYPE TUBE FITTINGS A
17、SSEMBLY INSTRUCTIONS 安装Assembly1 锯下合适长度的无缝钢管,去除端口处毛刺。管子端面要与轴线垂直,角度公差不大于0.5。如果管子需要折弯,则从管子端面至弯曲部位的直线段长度不能少于三倍螺母长度。Cut the tube at right angle and de-burr inside and outside of tube end. Minimum straight length of tube from the starting point of tube bend to the tube end may be 3 times height of the nu
18、t.2 把螺母和卡套套在无缝钢管上。注意螺母和卡套的方向,不要装反了。Set a nut and cutting ring on the tube. Make sure the cutting ring and the nut are facing the fitting.3 在预装配接头体螺纹和卡套上涂上润滑油,把管子插入接头体,(管子一定要插到底)用手旋紧螺母。Lubricate the pre-assembly fitting body threads and cutting ring. Insert tube end into fitting body until it is firm
19、ly seated on bottom (fitting shoulder) and hand-tighten the nut.4 拧紧螺母直至卡套卡住管子,这个转折点可以通过拧紧力矩的增加感觉到( 压力点)。Tighten nut until ferrule grips tube which is felt by a noticeable increase in torque (increase in force).5. 达到压力点后,再将压紧螺母拧紧1/2 圈。Tighten nut 1/2 of a turn after increase in force.6. 将预装配接头体拆下,检查
20、卡套刃边的嵌入情况,可见的突起带必须填满卡套端面的空间。卡套可以稍旋转,但不能轴向推移。Disassembly the pre-assembly fitting body .Check penetration of cutting edge.A visible ring of material should fill the space in front of the profile ring end face. Profile ring may turn on tube,but should not be capable of axial displacement. 7. 最终安装,将实际安
21、装中的接头体的螺纹涂上润滑油、压紧螺母与之配合拧至可感觉到的拧紧力增加为止. 接着再拧紧1/2 圈安装完毕。Lubricate the fitting body to be subsequently installed.Tighten nut until a noticeable increase in force is required.Tighten nut by 1/2 of a turn beyond this point for final assembly. 重复安装Reassembly所有的卡套接头都可以多次重装,但要保证零件无损坏且清洁。Fitting can be used
22、many times. To ensure this, parts must be clean and free of defects.1 把管子插入接头体直至卡套贴紧接头体内锥面,用手拧紧螺母。Insert the tube into fitting body until cutting ring seats firmly in the fitting and hand-tighten the nut.2 用扳手拧紧螺母,直至拧紧力矩急剧增大,再拧紧1/4 至1/2 圈即可。Tighten the nut with a wrench by holding the fitting body w
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