热熔对焊和承插焊连接技术课件

1、连接技术Jointing Technology热熔对焊和承插焊Butt and Socket FusionPM Industry2 +GF+连接方法一览 Overview of jointing methods offered by +GF+ 不同连接方法基础理论 Basics of the different jointing methods 实践操作以加深对不同连接技术的理解 Practical work to get a first impression of the different jointing technologies 学员自己进行热熔对焊和 承插焊焊接操作练习 Practi

2、ce socket and butt fusion by yourself 目标 GoalPM Industry3目录Table of Contents39PM Industry4采用何种连接技术? Which jointing technology do I use ?法兰适配接头Flange Adaptor插接式Push fit焊料焊接Soldering胶粘承插Solvent cement活接头Unions 螺纹接头thread电熔焊Electro fusion对焊、承插焊、红外焊、无缝焊Butt, Socket, IR, BCF Fusion挤压式Compression?PM Indus

3、try6基础 Basics热熔焊接机器的维护Maintenance of fusion equipment 对机器和工具进行定期保养（保管好服务记录）Regular maintenance of machines and tools (keep service record of your machines) 不同的焊接技术和机器都需要有培训合格操作员 Trained operators for the different fusion technologies and machines 装卸和存放设备 Handling and storage of equipment 德国+GF+ 服务中心

4、 +GF+ Service center at Georg Fischer Rohrverbindungstechnik GmbH in Singen (Germany) PM Industry7基础 Basics焊接方法总揽 Overview jointing methods电熔焊 Electro fusionPE, PB至 d630 (up to d630)热熔对焊 Butt fusionPE, PP, PVDF, PP-n至 d1200 (up to d1200)热熔承插 Socket fusionPE, PP, PVDF, PB至 d110 (up to d110)PM Industr

5、y9热熔承插 Socket fusion电熔焊 Electro fusion热熔对焊 Butt fusion热熔承插 Socket fusionPM Industry10PE, PP, PVDF, PB的热熔承插Socket fusion of PE, PP, PVDF, PBPM Industry11热熔承插 Socket fusion 原理 Principle管子pipe管件fitting加热头spigot加热烫板heater plate管件fitting焊完后finished fusion管子pipePM Industry12 加热板温度 Temperature of heater pl

6、ate PE-HD260C +/ - 10C PP260C +/ - 10 PVDF 260C +/ - 10 PB260C +/ - 10C 在20C 的环境温度条件下 at 20C ambient temperature热熔承插 Socket fusion 加热板温度Heating element temperaturePM Industry13加热时间表 Heating time table12345加热Heating切换Change over冷却 Cooling外径Outer pipe-diameterd mm(最大时间Maximum time)s固定 fixeds总 totalmin

7、1646220462254102326104406204506204638306758306908406110 PN 10SDR 11 2)s5578121824304050PN 6SDR 17.62)s1)1)1)1)10152230105081)壁厚过小，不建议使用承插法 because of too small wall thickness socket fusion technology not recommended. 2)标准尺寸比：Standard Dimension Ratio = d/s (d= Outer pipe diameter管外径, s=pipe wall thic

8、kness管壁厚) PE管子管件热熔承插焊标准值 Standard values for socket fusion of pipe and fittings of PE (see table of used material)热熔承插 Socket fusion PE时间表 Time table for PEPM Industry14热熔承插 Socket fusion 准备Preparation 塑料管割刀 Plastic pipe cutter - 确保管道的切割面的在同一平面上 ensures that the pipe is cut square 管道的剥皮与削面 Pipe peel

9、ing and beveling - 为管道末端的校准 for calibration of the pipe end - 为去除表面氧化层 for removing the oxidation layer - 可指出插入深度for indicating the fusion depthPM Industry16热熔承插 Socket fusion 手持焊机 Hand fusion toolPM Industry17 调节熔接温度至260C Adjust the fusion temperature at the temperature control to 260C 用(253 和 274C

10、)测温笔检查加热套筒外表面温度Check temperature at the outer side of the heater bushes with tempil sticks (253 and 274C) or with measuring device 注意熔接区域的防风防雨等，等烫板加热至正确的温度Protect fusion area from wind, rain etc. and wait for correct temperature 用净纸清洁加热套筒 Clean heater bushes with clean paper热熔承插 Socket fusion 熔接准备 P

11、reparation for fusionPM Industry19 将管子和管件分别放置在焊机夹具上 Locate pipe and fitting in machine clamps 进行轴线对准 Ensure alignment of components 将焊机左右两边移向中间，至止挡块 Bring the two sides of the machine together up to the stops 开始加热 Heating time starts 打开焊机，移开加热套筒 Open machine sides and remove heater bushing 将两个被加热部件合

12、到一起，实现连接 Bring components together to make joint 冷却保持时间 = 加热时间 Holding time = heating time热熔承插 Socket fusion 台式焊机操作程序 Procedure with machine (d 63mm)PM Industry20热熔承插 Socket fusion 使用台式焊机的优点Advantages for using a machine 精确的轴线对准 Exact alignment of fusion 在加热长度和焊接插入深度精确 Accurate penetration stops for

13、 heating and fusion 如果外径大于63mm，建议采用机械熔 接力 Mechanical fusion force recommended if d 63mm 切换时间短 Faster change over phasePM Industry21 德国焊接技术协会German Association of Welding technology (DVS) DVS 2207 指南（热熔承插加热板） Guidelines of DVS 2207 (heater plate socket fusion) 必须有明显的焊珠，且围绕圆周上形状均匀 Bead has to be visib

14、le and uniform over the whole circumference 检查管子的插入深度？ Check penetration of pipe ? 检查管子管件的同轴度？ Check alignment of pipe and fitting?热熔承插 Socket fusion 焊接规范与质量检查Guidelines and quality checkPM Industry22热熔对焊 Butt fusion电熔焊 Electro fusion热熔对焊 Butt fusion热熔承插 Socket fusionPM Industry23热熔对焊 Butt fusion原理

15、Principle压力Pressure(N/mm)0.010.15时间 Time对准时间Alignmenttime加热压力Heating pressure熔接时间Jointingtime结晶冷却时间Cooling and jointing time加热时间段 Heating time对准压力Alignment pressure对接压力Jointing pressurePM Industry24热熔对焊 Butt fusion 熔接准备 Preparation for fusionDs max. = 0.1 x s最大允许扁移量为壁厚的10%. max. 10% wall offset allo

16、wed depending on the pipe wall thickness 管壁便移Wall Offseta 最大缝隙 (指两块焊接件之间的缝隙) Maximum GAP (gap between the two parts to be welded)Ds max. = 0.5 mm 对头焊 for Butt fusionDs max. = 0.2 mm 红外焊 for IR fusion 管道壁厚 (必须相同的SDR值）Wall thickness (must be same SDR value)PM Industry26 采用操作手册中的校平-和熔接压力 Use the equali

17、zation- and fusion pressures from operating manual 熔接时间表举例：HD-PE Example of fusion times from table for HD-PE material热熔对焊 Butt fusion 熔接表格实例 Example fusion tablePM Industry27 在找平压力下，熔化管子和管件末端至一定的翻边 Melt the pipe and fitting ends until a defined bead height is reached under equalization pressure 降低压

18、力至加热均热压力 Reduce pressure to heat soak pressure 根据标明的加热均热时间 并在加热压力下进行加热 Following the heat soak time under heating pressure压力Pressure(N/mm)0,150,01找平对准压力Equalization pressure加热均热压力Heat soak pressure找平对准时间Equalization time加热均热时间Heat soak time热熔对焊 Butt fusion 找平对准 / 加热 Equalization/HeatingPM Industry29

19、热熔对焊 Butt fusion 质量检查和规范指南Quality check and guidelines 整个一圈须有双面翻边Double bead over whole circumference ? K 0 壁厚偏移量须小于10% Misalignment less than 10% of wall thickness 须满足DVS 2207 规范 Guidelines according to DVS 2207 (德国焊接协会 German Welding Association)KKPM Industry30 通过弹簧施加熔接力 Fusion force applied by sp

20、ring 通过液压施加熔接力 Fusion force applied by hydraulic热熔对焊 Butt fusion 焊机类型 Machine typesPM Industry31 手动施加找平压力和熔接压力 Equalization and fusion pressure manually applied 无确定压力或力的大小规定 No defined pressure or force level 轴线对准和壁厚偏移量校核较难Axial and wall alignment is very difficult 不可用于危险介质not for hazardous media no

21、t for pressurized piping systems 不适用于压力管道热熔对焊 Butt fusion 手动热熔对焊Manual butt fusionPM Industry32焊机与工具 Machine and ToolsSG 系列 SG LineSG 160SG 315SG 315-SSG 125焊机与工具 Machine and ToolsIR 系列 IR LinePM Industry33IR-225 PlusBCF PlusIR-63 PlusIR-315 PlusPM Industry34切割器和工具 Cutting machines and toolsKRA, KRG

22、, PPC 250, KS 355, KS 1600KRA 63KRG 225PPC 250KS 1600KS 355PM Industry352022/9/21安装技巧 Installation打压试验 Pressure Test符合德国DVS规范 According DVS German Guideline特征初测主测短时间测试Characteristics Preliminary test Main test Short test压力Prfdruck 1.5 x PN 1.3 x PN 1.5 x PN max. (PN + 5) max. (PN + 3) max. (PN +5) bar bar bar测试时间最少6h最少6h最少3hTest time min. 6h min.