您好,欢迎进入广东顺发起重设备有限公司官网!

搜索

广东顺发起重设备-起重机制造工艺流程

发表时间: 2019-02-24 21:43:32

关注: 635


起重机制造的工艺流程

Crane manufacturing process

广东顺发起重设备有限公司主要生产桥式起重机门式起重机,具有自行设计、研制能力和制造加工能力;我们的产品涉及到冶金、水工、电站、化工、造纸、造船、航空、航天、港口等行业,目前制造的起重机***起重量为500t,***起升高度达400米。

Our company mainly produces bridge, gantry crane, with our own design, development capabilities, manufacturing and processing capacity; of our products related to metallurgy, hydraulic, power, chemical industry, papermaking, shipbuilding, aviation, space, ports and other industries, the current manufacturing maximum starting weight of the crane 500t, maximum lifting height of up to 400 meters.

在结构件制造方面,本公司具有较强的制造能力;有年处理能力达5万吨以上,具开卷、校平、剪切、抛丸、喷漆、烘干能力的预处理生产线一条;有数控切割设备5台;(6000X50000);半自动切割60多台,CO2气体保护焊,埋弧自动焊(平、角焊)200多台;其他焊机300多台。有各种剪板机,校平机、折弯机、卷板机等各种大型加工设备。这些设备为提高结构件的制造能力提供了有力的保证。

In the structural parts manufacturing, our company has strong manufacturing capacity; have capacity of more than 5 million tons in a year, with open-book, school level, shearing, shot blasting, painting, drying capacity of a pre-processing production line; a numerical cutting equipment 5 sets; semi-automatic cutting more than 60 units, CO2 gas shielded welding, submerged arc welding (flat, angle welding) more than 200 units; other welding more than 300 units. A variety of shears, school-level machine, bending machine, rolling machine and other large-scale processing equipment. These devices to improve the structural parts of the manufacturing capacity to provide a strong guarantee.

在机械加工方面,本公司的设备加工能力在长垣地区可以说是***的,我们有16米的落地铣镗床,即将到厂的m=28,***加工直径φ3150的大型滚齿机和大型立式车床,数控重型卧式车床、各种卧式镗床,立式铣加工中心等精、大、稀设备,为我们公司加工各种大型、高精度的零件提供了设备保证

In mechanical processing, the processing capacity of the company's equipment can be said in the Changyuan region's leading, we have 16 meters of floor milling and boring machine, upcoming visit to the factory m = 28, maximum machining diameter of φ3150 large-scale and large vertical lathe hobbing machine , CNC heavy duty horizontal lathe, all kinds of horizontal boring machine, vertical machining centers, precision milling, large, rare equipment for our processing of all kinds of large-scale, high-precision parts provided with equipment to ensure

      机械产品生产过程是指从原材料到机械产品出厂的全部生产过程。它既包括:毛坯的制造、机械加工、热处理、装配、检验、试车、油漆等主要生产过程;还包括包装、运输等辅助过程。其生产过程可以由一个工厂完成,也可以由多个工厂完成。我们公司除了大型结构件,部分机械加工零件由本公司制造外,有一部分零部件由外协厂加工制造。主要是我们的生产能力不能满足。

Mechanical product refers to the production process from raw material to the entire machinery factory production process. It includes: blank manufacturing, machining, heat treatment, assembly, inspection, testing, painting and other major production process; also includes the packaging, transportation and other auxiliary processes. Its production process can be completed by a factory, you can also be completed by a number of factories. In addition to our large-scale structural parts, some machining parts manufactured by the company, there are some parts from the outside co-processing and manufacturing plants,  mainly because our production capacity needs to be improved.

下面就我们公司起重机生产的主要工艺流程作一介绍,在介绍工艺流程的同时,把每道工艺过程中所涉及到的设备作一些介绍,让大家对我们的设备能力有一个初步了解。Now I'll briefly introduce process of making the crane, at the same time, you may have a preliminary understanding of our equipment.

    先介绍起重机制造的总工艺流程,然后再逐一介绍每道工序的详细情况。

   我们的起重机由金属结构件、机加工件、外购件、外协件及电气几大部分组成,其工艺流程见工艺流程方框图:

起重机由金属结构件(主梁、端梁、平台及梯子栏杆、小车架,等)、机加工件;外购件(轴承,紧固件,标准件等),外协件(因本公司设备或生产能力原因,委托外单位加工的零部件:如吊钩)经过装配而成产品。Crane from the metal structure (the main beams, side beams, platform and ladder railings, small frame, etc.), machining parts; purchased parts (bearings, fasteners, standard parts, etc.) and spare parts (due to our equipment or capacity reasons, the commission units processing components: If the hook) made through the assembled product.

起重机工艺流程图

金属结构件

来料检验

化学成分、机械性能

 

预处理

喷丸

 

喷底漆

 

号料

 

 

数控、剪切、半自动切割

 

板料拼接

埋弧自动焊

 

探伤

 

 

板料校平

辊式校平机

 

二次划线下料自动切割

 

组装(点装)

气保焊、手工焊

 

  

 

 

 

 

焊接

 

 

探伤检查

超声波

 

 

装配(汇装)

桥架、小车

 

 

 

 

总装

 

 

检验

 

机械加工件               (不经热处理

毛 坯(铸、锻件)

(焊接件)

圆钢件(锯床下料)

 

金属切削加工

车、铣、刨、磨、镗

钻、插、拉、齿加工、

 

 

热处理

(调质、淬火

、回火、正火)

 

 

 

 

 

部件装配

冷装 热装

车轮,台车架,卷筒

 

外购件

 

电机、减速器、轴承、标准紧固件等

 

 

 

外协件

       非本厂加工的零部件 

电器组装

 

   

 

 

 

试车

 

安装

 

发运

 

检验

               

油漆

 

                      厂内流程                  出厂后流程

 

  结构件生产工艺流程Production process for current each structure:

1.来料检查:是指对进厂的材料(包括钢材及焊接材料),质管部门检查是否有制造厂的合格证明书,并根据其合格证明书按照***标准及公司规定验收核准,必要时要进行复验,对其进行化学成分和机械强度等项进行抽样检查,是否达到***标准和企业的有关要求;

Inspection of the incoming material: it means that quality inspection department will check if the incoming materials (including steel, welding material) have certifications, verify them in accordance with the national standard and company. Recheck if necessary, conduct random inspection chemical composition and mechanical strength will be inspected by random samples to see whether

1.1钢材 Steel

本公司金属结构件常用钢材 

Commonly used steel of our company      表1 table one

   种 steel

强度等级σs(MPa)(屈服点)

Strength grade σs (MPa) (yield point)

   mark

普遍碳素结构钢Universal carbon structural steel

185-235(钢材厚度越厚,σs越小)

185-235(the thicker the plate, the smaller the σs)

Q235A    Q235A.F

Q235B   Q235B.F  20 

优质碳素结构钢improved carbon structural steel

315-355 (GB/T699)

35   45

低合金结构钢low-alloy structural steel

275-345(GB/T1591-1994)

Q345A    Q345B

钢材牌号表示:Q钢材屈服强度的拼音首位字母:235屈服点(强度)单位MPa(兆帕);A、B、C、D-质量等级;F沸腾钢(脱氧方法) b半镇静钢  Z镇静钢 (可省略)TZ特殊镇静钢(可省略)。Steel mark: Q-yield point of steel; 235- yield point strength, unit (MPa); A、B、C、D-quality grade; F boiling steel (method of deoxidation) b semi-deoxidized steel Zkilled steel(can be omitted)TZspecial killed steel (can be omitted).

45(35)含碳量(万分之几)

45(35)carbon content(? in ten thousand)

1.2焊接材料 welding material

  1.2.1 焊条型号和规格 model and specification of welding rod 

  焊条型号(碳钢焊条) welding rod model (Carbon steel, welding rod) 

 E4303 (J422)     E4316 (J426)     E5003 (J502)     E5015 (J507)   E5016 (J506)

E5016为例,说明各项字母和数字代表的意义:(E焊条 , 50熔敷金属抗拉强度最小值500MPa,1焊条适用的焊接位置:0,1表示焊条适用于全位置(平、立、仰、横),6药皮类型

Take E5016 as an example, describe meaning of each letter and figure: (E--welding nod, 50- min. tensile strength of deposited metal is 500MPa, 1--suitable location for welding nod: 0,1 means its suitable for all positions (horizontal, vertical, upward and side-wards), 6- type of the cover.

特点: E4303,  E5003熔渣流动性好,脱渣容易,电弧稳定,熔深适中,飞溅少,焊波整齐,适用于全位置焊接,主要焊接较重要的低碳钢结构。

Features: E4303, E5003 slag with good fluidity, removal of slag layer is easy, electric arc is stable, moderate depth of fusion, less splash, weld ripples in good order, suitable for welding on all positions, mainly used for welding of important low-carbon steel structure.

            E4316  、E5016电弧稳定,工艺性能一般,适用于全位置焊接。这类焊条的熔敷金属具有良好的抗裂性能和力学性能,主要焊接重要的低碳钢结构,也可焊接与焊条强度相当的低合金钢结构。

           E4316, E5016 arc are stable, process performance is general and suitable for welding on all positions. Deposited metal of such welding nod has good crack resistance and mechanical property, mainly used for welding of important low-carbon steel structure, and also for welding of low-carbon steel structure that has similar strength.

焊条规格:φ2.5-φ5  

Specification of welding nod: φ2.5-φ5                          

1.2.2焊丝型号和规格 model and specification of welding wire

焊丝型号:

埋弧自动焊焊丝:H08A   H08MnA  H08Mn2Si   H10Mn2(原型号)

气保焊:实心焊丝:ER50-6  ER49-1 (ER 焊丝, 50 熔敷金属抗拉强度最小值500MPa  6焊丝化学成分分类代号)

Model of welding wire

Automatic submerged-arc welding wire: H08A   H08MnA H08Mn2Si  H10Mn2 (Original Code).

Gas Shielded Welding: solid wire: ER50-6  ER49-1 (ERwelding wire, 50 min. tensile strength of deposited metal is 500MPa, 6code of chemical composition of welding wire)

   药芯焊丝EF  flux-cored wire

   焊丝规格specification of welding wire:1.2,φ2.0,φ3.0,φ3.2,φ4.0,

2.钢材表面的预处理Pretreatment of steel surface

钢材在下料前,表面必须经过喷丸或抛丸除锈处理,其重要构件表面达到GB8923中的Sa2.5级;一般件达到Sa3级。除锈后,应立即喷涂防锈底漆 Before cutting of the steel, shot and ball blasted, surface of important parts reach degree Sa2.5 of GB8923 standard. After removing the rust, paint anti-corrosive primer at once.

预处理设备Pretreatment equipment

(1)开卷、校平、剪切生产线,(TDT44-10X2200)

Unreeling, leveling, shear production line.

(2)预处理(抛丸、喷漆、烘干一条线)QXY3000

Pretreatment (shot blast, paint, and drying as one line) QXY3000.

(3)抛丸处理:可处理宽2000mm×200mm钢材或高1800mm×1200mm以内的结构件。

Shot blasting treatment: treat 2000mm×200mm(width) steel plate or structure no larger than 1800mm×1200mm.

3.喷涂底漆 primer painting  

底漆喷涂应在抛丸处理后,立即进行;否则,钢板表面生锈。Primer spray will be painted immediately after shot blast to avoid rust of the surface.

3.1底漆的种类:根据产品使用环境不同,所使用的油漆品种也不同,根据不同的面漆品种,应使用不同的底漆 (见表1) 

  Type of prime coat: Different paint will be used according to different environment, and also different primer will be used on the basics of different final coat (see table one).                            Table 2

产品

使用环境Operating environment

适用环境Application environment  

涂层厚度coating thicknessμm)

推荐涂料品种

recommended paint varieties

底 漆

厚 度primer thickness 

涂层

总厚度 total thickness

一般使用环境general  environment

内陆地区一般环境下作业的产品 products  used in inland area

25-35

75-105

底漆:

This document was truncated here because it was created in the Evaluation Mode.

1

 


暂无链接

2010-2018 © SFCRANES . All rights reserved. 广东顺发起重设备有限公司版权所有 粤ICP备09207980号

在线客服
联系方式
热线电话
13929139265
上班时间
周一到周六
二维码
二维码
在线客服