Automatic Cylinder Production Line/ Making Machines for CNG/ Seamless Cylinders
Production Process
Product Description
1.Automatic sawing machine
Cutting the pipe material into the cylinder
workpiepce length.
1)Feeding speed hydraulic control, stepless speed regulation.
2)Two-way full stroke hydraulic clamping device.
3)External hydraulic station.
4)Production efficiency:5-8min/piece.
2.Hot Spinning Machine
This machine is designed for cylinder's necking-in and bottom closure of high pressure cylinders, CNG cylinder as well as the other pressure vessels. The maximum applicable diameter is 406mm, and the maximum spinning length is 2000 mm, its controlling system adopts Siemens CNC, the model is SINUMERIK --802D.
This machine is designed for forming and closing the mouth and bottom of high-pressure gas cylinders, CNG bottles and other pressure vessels. Suitable for steel pipes with a maximum diameter of 406 mm and a maximum spinning length of 2000 mm, controlled by Siemens CNC, model SINUMERIK-802D.
| Machine model | LTM325 | LTM406 |
| Processing diameter | DN219-325 | DN325-406 |
| Processing length | 800-2000mm | 800-2000mm |
| Processing thickness | 5-15mm | 5-18mm |
| Central height | 1100mm | 1200mm |
| Main engine power | 90kW | 110kW |
| Template retroflexion angle | 90° | 90° |
| Template central height adjust | ±30mm | ±30mm |
| Control methods | PLC | PLC |
| Machine dimension | 16000x2000x1420mm | 18000x2000x1600mm |
3.Hardening and tempering line-Cylinder heat treatment
1)Hardening Furnace Rated Temperature: ≤950℃, or design as your needs.
2)Heating Zone: 6zones (pre-heating: 1 zone, heating: 4 zones, soaking: 1 zone) Temperature of each zone is separately controlled.
3)Tempering Furnace Rated Temperature: ≤680℃ , or design as your needs.
Working Procedures of the production line:
1)Cylinders are loaded at transfer roller;
2)Cylinders are transferred onto loading table and charged inside of hardening furnace chamber from one end of furnace door;
3)Cylinders are horizontally heated inside of hardening furnace
4. Internal Sand Blasting machine
1)Workpiece unit weight ≤300kg
2) Workpiece 2 φ356-406×(800-2000) Two stations
3) Cleaning effect GB8923-88A-B Sa2.0
4) Use bullet specifications Steel shot φ0.6-0.8mm
5) Equipment appearance (excluding dust collector part) 7000×5500×4300mm
(Length×Width×Height)
5.External shot blasting machine
1)Workpiece size Diameter: Φ79—267mm Length: 310—2000mm
2) Cleaning requirements Comply with GB8923-88 Sa2 1/2 standard
3) Production cycle 2-3m/min
4) Shot blasting device 2 Model: MLQ034D Power: 2×15 kW
5) Use projectiles F1.2～F1.5 (65Mn steel wire cut shot)
6)Addition of projectile ～3 t
7)Workpiece conveying speed 1～3m/min
8)Roller speed 3～6r/min
9)Bucket elevator 1 Lifting capacity: 45 t/h Power: 4 kW
6.Drilling machine&CNC threading machine
Machine processing:
Step1.Radial facing, cylindrical turning--finish the face by outer circular knife and turning of outer chamfer
Step2.Inside hole--adopts lathe processing of inner hole of inner hole cutter
Step3.Threading --adopts thread tool
The machine is suitable for bore of cylinder
bottleneck, and processing of radial facing, inside-hole, cylindrical turning as well as threading, which are realized by NC programming. Single station device is adopted for input and output materials (semi-automatic); The workpiece clamping adopts thefront top bowl positioning.
7.Hydro testing machine
1)Length of gas cylinder: 800～2700mm
2) Diameter: 279～540 mm
3) Volume: 40～310L
4) The weight of the gas cylinder: ≤150Kg
On-site working environment
1)Relative humidity: ≤85%
2) Compressed air: 0.4～0.7MPa
3) Saturated steam: ≥140℃, 0.5Mpa
4) Electricity: 415V±10% 50Hz±2Hz
5) The driving track height of the workshop: 7m
8.Coding embossing machine
1)Cylinder parameters
2)Material 34CrMo4 (35CrMo), 37Mn, 30CrMo:
3)Mechanical behavior
4)The hardness of the bottle body after
quenching and tempering is HB248-300
5)Bottle diameter range φ219mm—φ406mm
6)The length of the bottle is 600mm--2200mm
7)The wall thickness range of the bottle body
is 5-12 mm
8)Bottle weight≤120Kg
Packing & Delivery
FAQ
Always a pre-production sample before mass production; Always final Inspection before shipment;
All the machine for the CNG cylinder production line.
Wuxi Longterm Group is group corporation which are professional supplier of cable, LPG gas cylinder, steel drum, LNG and CNG
machinery with more than 25 years of experience and a strong professional R & D team
Online technical support, On-site installation, Spare parts...
We need to know the following information to make the quotation to you:
1. The technical drawing of the cylinder.
2. Daily capacity.