Complaint
1. Cylinder material: 34CrMo4 (35CrMo), 37Mn, 30CrMo, 45#, 20#
2. Specifications for cylinder
2.1. Diameter range: φ76~180mm
2.2. Length range:330~1100mm (The max length of the tube is 1250mm)
Fire extinguisher welding production line is composed of the following parts:
Decoiler ,Stragihting , Blanking→cover production line→sheet cutting→Sheet rolling→Seam welding &Double-head joggling →Hydro testing→Powder coating→Filling
Decoiler ,Stragihting , Blanking machine
Automatic punching machine
Up/bottom cover trimming machine (edge cutting machine )
| No | Item | Basic paremeter(mm) |
| 1 | Max diameter | Φ200 |
| 2 | Min diameter | Φ90 |
| 3 | Max workpiece length | 650 |
| 4 | Rated input voltage | AC380V Three phase |
| 5 | Frequency | 50HZ |
| 6 | Rated input capacity | 5KW |
Cylinder Body Making production line
Hydraulic two-roller rolling machine
| No. | Item | Main parameter(mm) |
| 1 | Max rolling diameter | 200 |
| 2 | Min rolling diameter | 90 |
| 3 | Max rolling length | 500 |
| 4 | Max rolling thickness;Min rolling thickness | <= 2.5 >=0.5 |
| 5 | Rated input voltage | AC380V three phase |
| 6 | Frequency | 50HZ |
| 7 | Rated Input Capacity | 10KW |
Cylinder body Linear (Seam)Welding Machine
Cylinder body double-head necking machine
| No. | Item | Main parameter(mm) |
| 1 | Max diameter of workpiece welding | 500 |
| 2 | Min diameter of workpiece welding | 90 |
| 3 | Max length of workpiece welding | 600 |
| 4 | Max thickness of workpiece;Min thickness of workpiece. | <= 2.5 >=0.6 |
| 5 | Rated input voltage | AC220V two phase |
| 6 | Frequency | 50HZ |
| 7 | Rated Input Capacity | 1KW |
Up/Bottom cover welding Line
Circumferencial seam welding machine (three welding gun)
Coding machine
Hydro testing Equipment
1.Process flow chart
Cylinder body of fire extinguisher → Putting in clamp,12 station one time → Compress workpiece→ Start → Auto water intake drainage→ exhaust finished,Automatic Hi-pot test → pressure maintaining to test the leakage → Finished,Air intake and drainage, After the drainage, Loosen workpiece → Take down workpiece→Followed by recycling
2.Equipment Parameter
| No | Item | Basic parameter(mm) |
| 1 | Max diameter of pressure test | 200 |
| 2 | Min diameter of pressure test | 90(M30*1.5) |
| 3 | Max workpiece length of pressure test | 650 |
| 4 | Testing efficiency | 1000pcs/ 8hours |
| 5 | Rated input voltage | AC380V Three phase |
| 6 | Frequency | 50HZ |
| 7 | Power | 5KW |
Powder coating production line
&Dry Powder Filling Production Line
Spray painting machine
Dry power filling machine
Valve tighten and air inflation&Labelling
Introduction
This is a set of duplex developed by our company for the dry powder filling of fire extinguishers.
Filling machine, conveying line, punching, intubating, tightening and inflating one dry powder filling automatic production line,it is a new filling concept. The entire production line requires only three people to operate and can complete 300 cylinders per hour.
1.Technological Process
Put on the workpiece →Start → Compress,Vacuum filling→Filling finished, another workpiece filling→Filling finished, Loosen the workpiece,take down workpiece →Followed By Recycling
2.Filling Amount Deviation Requirement
Complete the one-time continuous punching and charging, andFilling Amount Deviation meets the standard requirements:
3. Technical Parameter
| No | Item | Basic parameter(mm) |
| 1 | Max diameter | 200 |
| 2 | Min diameter | 90(M30*1.5) |
| 3 | Max workpiece of length | 700 |
| 4 | Filling efficiency | 300pcs/ 8hours |
| 5 | Voltage | AC380V Three phase |
| 6 | Frequency | 50HZ |
| 7 | Power | 3KW |
Finish Products
Wuxi Longterm Machinery Technologies Co., Ltd. has been engaged in research of welding technology for more than 35 years, we have strong technical strength, rich experience, and mature team. Our machines have been exported to Europe, Asia, and American with good quality and fame. Our company is specialized in designing and producing complete sets of Auto Welding Equipment(TIG, MAG, MIG, PAW), Auto welding system integrations, and related equipment. Widely used in lines of the aerospace industry, chemical industry, mechanical industry, pressure vessel making, water heater making, and stainless steel products. We are developing and innovating new generation complete sets of welding system, we try our best to meet customers' requirements. We warmly welcome you to visit our factory!
Q:How can you guarantee the quality of welding machine?
A: we have passed the ISO test,we warmly welcome you and your technical team visit our factory to check the machine before order .And we have one year guaranteed,free parts can be send free within one year.
Q: What are the benefits to choose your machines?
A: Our machines are strong and reliable for long term industrial manufacturing
Q:How long is the warranty for machines?
A:Machines warranty is 12 months after receive our machine. in Warranty time,we can provide new free parts for changing.
Q:Can you engineer come to our place to help with machine installation & commission?
A:Yes, our engineers are available to travel to your factory for machine installation and commissiong.
Enable us provide the most suitable proposal for you,please tell me following details:
1.Technical Drawing of the Fire Extinguisher you want to make?
2.What size of Fire Extinguisher you want to produce?
3.What diameter and thickness of the cylinder you want to make?
4.Are you new in this area or you already have some machines in the workshop?
5.Capacity you require, i.e. how many pieces and sizes you want to make per day?
