Shanghai Trintfar Intelligent Equipment Co., Ltd.
Shanghai Trintfar Intelligent Equipment Co., Ltd.
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Work flow:Rounding → Seam Welding → Bead/Flanging → Corugating/W Beading → Leakage Test (before seaming) → Seaming → Leakage Test (after seaming) → Clean Oil, Washing, Fe-Phosphorize, Washing → Washing Drying → Outside Painting → Drying After Outside Painting → Cooling → Warehousing (Offline)
Coil Cart: 3-in-1 motor drive, hydraulic up/down
Uncoil Unit: Hydraulic drive, no power turning, coil diameter Ф508-Ф610mm, max load: 15 tons
7-Roller Leveler: 7 rollers, motor speed adjustable by frequency
Measurement Facility: Length precision via Japan-made A.C. service motor
Sheet Cutting Machine: 3*1500mm, PLC controlled
Transporter: Convey cutting sheets to auto welder
Overlap Control: Guide bar positions drum; Z-bar ensures 2mm overlap with easy maintenance via detachable wear strips and a profiled nose for precise weld wheel contact.
Hour Glass Rolls: Mounted on “goal post” frame with sensors, ensuring gradual sizing, consistent overlap, and minimized surface marking; lower rolls pivot for maintenance, upper roll adjusts for size tolerance with pneumatic cylinders.
Weld Heads: SEW inverter-controlled AC motor with gearbox and pneumatic pressure for constant speed; weld wheels cross-indexed for even wear, auto-lubed, and can be manually or semi-automatically trimmed to reduce downtime.
Weld Head Cylinder Slide: Lower weld head mounted on light alloy ram with pneumatic cylinder and bellows spring to stabilize force and dampen reactions at weld start.
Welding Control: Energy-efficient three-phase AC, control with LCD display.
Transformer: SP 350KVA.
Planishing Rolls: Optional.
Higher efficiency flange formation. Suitable for cold-rolled steel, PLC controlled, hydraulic drive. Unit power: 22KW.
With 8 bevel molds moving outward to form 12mm adjustable beading. PLC controlled, hydraulic drive, unit power: 15KW.
Higher efficiency flange formation. Suitable for cold-rolled steel, PLC controlled, hydraulic drive. Unit power: 22KW.
Auto load press and seam welding. Double motors and main shafts. Cam mechanism roll wheels , easy to adjust, PLC controlled. Unit power: 41KW.
Decoiling Machine:
Seven Roller-Sizing Straightening Machine:
Shearing Machine:
Cover Pressing Machine (160 Ton Press)
Double Locking Pressing Machine(63 Ton Press)
Automation: Loading and unloading are fully automated.
Unit Power: 15KW
Three-color painting:
Inner: Waterproof paint
Outer: Acid alcohol magnetic paint
Size: L4.8m; W4m; H2.4m
3-row vertical drying
Temperature control range: room temperature to 200°C, adjustable
Temperature control accuracy: ±5°C
Size: L36M; W2.6M; H2.1M
Function: Harden lacquer surface after baking
Power: 6.6 kW
Horizontal type test, air press 0.03Mpa.Controlled by PLC, compressed air driving.
Welding Method:
This equipment uses a roll seam welding method, with electrodes in the form of cylindrical rollers. The width of the electrode is greater than the overlapping section of the steel plate, allowing control over the thickness of the joint. During the welding process, a higher electrode pressure and continuous welding current are applied. By controlling welding parameters such as electrode pressure, welding current, and welding time, stable welding quality can be achieved. The machine is capable of performing the seam welding process on longitudinal seams of metal drums with diameters ranging from 516mm (for conical drums) to 571.5mm.
| Drum Ends Production Line | |||||
| SN. | Model No. | Name | Unit | Quantity | Note |
| 1 | ST2311.00B | Up-Coil cart | set | 1 | Hydraulic drive |
| 2 | STK2010.01.00C | Uncoiling Unit | Set | 1 | Hydraulic drive；frequency control of motor speed |
| 3 | STK1213100 | 9 rollers leveler and Measurement facility | Set | 1 | servo control |
| 4 | ST1319.00 | Conveyer from leveler to press machine Scrap Sheet-cutting Machine | Set | 1 | |
| 5 | JD21-160 | Cover Pressing Machine | Set | 2 | 160 Ton |
| 6 | MJ571.5 | Mold for cover and bottom | Set | 2 | |
| 7 | ST1318.00 | Conveyer for cover to pre-coil and spry glue machine | Set | 2 | Include conveyer and stacking |
| 8 | YJX200900 | pre-coil and spry glue machine | Set | 2 | PLC control; |
| 9 | St-1001 | Auto stacking for drum lids | Set | 2 | |
| 10 | Q11-2000 | Scrap Sheet-cutting Machine | Set | 1 | 3*2000mm |
| 11 | KJKZ2011.00 | Electric control box | Set | 1 | |
| 12 | KJ2011.02.00 | Hydraulic station | Set | 1 | |
| Automatic punching 2′& 3/4′ hole and locking 2′& 3/4′ Closure | |||
| SN. | Name | Unit | Quantity |
| 1 | Deep throat power 63 Ton press | Set | 2 |
| 2 | Double Pressing mold | Set | 1 |
| 3 | Double Locking mold | Set | 1 |
| 4 | Auto transport line for cover | Set | 1 |
| 5 | Electric control system | Set | 1 |
| Cut to Length Line (for drum body) | |||||
| SN. | Model No. | Name | Unit | Quantity | Note |
| 1 | ST2311.00B | Up-Coil cart | set | 1 | Hydraulic drive |
| 2 | STK2010.01.00C | Uncoil Unite | Set | 1 | Hydraulic drive |
| 3 | STK1213100 | 9 rollers leveler machine | Set | 1 | Frequency adjust speed |
| 4 | STK1213200 | Measurement facility | Set | 1 | servo motor |
| 5 | Q11-1500 | Sheet-Cutting Machine | Set | 1 | 3*1500mm |
| 6 | KJKZ2011 | Electric control box | Set | 1 | |
| 7 | KJ2011.02.00 | Hydraulic station | Set | 1 | |
| Steel Drum Body Production Line | |||||
| SN. | Model No. | Name | Unit | Quantity | Note |
| 1 | KJJQ.00 | Conveyer | Cutting line | ||
| 2 | FHJ-250-2 | Auto-welder machine | Set | 1 | Three-phase medium frequency inverter |
| 3 | YP-line201 | Welding line rolling compaction and Cut out the tongue of iron | Set | 2 | |
| 4 | STG2201.00 | Extrusion flange machine | Set | 1 | Includes Multi working-step Chain and electric control hydraulic control |
| 5 | STG2203.00 | Beading machine | Set | 1 | Includes Multi working-step Chain and electric control hydraulic control |
| 6 | STG2202. 00 | Corrugating machine | Set | 1 | Includes Multi working-step Chain and electric control hydraulic control |
| 7 | STG1005.00 | welding line Leakage test machine | Set | 1 | Includes Multi working-step Chain and electric control hydraulic control |
| 8 | ST2204.05.00 | Auto feeding for drum ends | Set | 1 | Includes Multi working-step Chain and electric control |
| 9 | ST2204.00X | Seaming machine | Set | 1 | Includes Multi working-step Chain and electric control hydraulic control |
| 10 | STG1005.00 | Leakage test machine | Set | 1 | |
| Rear Treatment (Wash, Drying, Painting System, Etc.) | ||||
| SN. | Name | Unit | Quantity | Note |
| 1 | Lift machine | Set | 1 | |
| 2 | Washing, cleaning and transport | Set | 1 | |
| 3 | Drying and transport | Set | 1 | |
| 4 | Turning machine | set | 2 | |
| 5 | Painting room(outside) | set | 2 | 3 colors |
| 6 | Front distributor | Set | 2 | |
| 7 | Vertical three channel drying equipment | Set | 1 | (outside) |
| 8 | Cooling | Set | 1 | |
| 9 | Rear distributor | Set | 1 | |