Medium Frequency DC Double Side Spot Welding Machine for Automotive Seat Frame
Basic Information
Place of Origin
:
Guangdong , China
Brand Name
:
PDKJ
Certification
:
CE ISO SGS
Model Number
:
LWM-1200
Trade Information
Minimum Order Quantity
:
1
Price
:
USD 5000-10000 per unit
Standard Packaging
:
Plywood case
Delivery Time
:
14 work days
Supply Ability
:
200 units per month
Product Attributes
Laser Power:
1200W
Protective Gas:
Argon/Nitrogen
Laser Wavelength:
1080nm+5%
Operating Voltage:
AC220V
Length Of Fiber Optic Cable:
Standard 10 Meters
Aiming And Positioning:
Red Light Indicator
Maximum Overall Power Outpu:
3.5kW
Welding Speed Range:
0-20mm/s
Cooling System:
Air-cooled
Operating Temperature Range:
15-35°C
Welding Capacity/SS/CS:
0.2-3mm
Welding Capacity/AI/GI:
0.2-2mm
Weight:
68kg
Physical Dimensions:
680 ×380 ×820mm
Product Summary
5 In 1 Portable Handheld Air Cooled Laser Welding Machine integrates multiple functions in a compact design. Featuring air cooling technology, it offers flexible operation, low maintenance, and efficient welding for stainless steel, aluminum, and metal sheets.
Product Description
PDKJ · Portable Air-Cooled Laser Welding System
Portable Handheld
Laser Welding Machine
1200W / 1500W / 2000W — the complete welding system sits in one 68 kg cabinet. There is no water chiller, no coolant hose, no external power cabinet: roll the machine to the workpiece, plug it into a standard 220 V socket, and weld.
The air-cooled layout is the whole point. A conventional handheld laser welder needs a separate chiller the size of a suitcase, which is why it normally stays in one bay. Take the cooling path inside the cabinet and the machine becomes something one person can wheel to a staircase, lift into a van, or move between two workshops in the same afternoon.
Power 1200 / 1500 / 2000 W Air-cooled — no chiller Built-in wire feeder 10 m delivery fiber 0.2–5 mm capacity
68 kg · one cabinet 680 × 380 × 820 mm · 220 V single phase · castors and rear handle
No chiller to moveCooling is inside the cabinet, so the system is one box on four castors — not two boxes and a hose.
Wire feeder built inA spool compartment inside the machine feeds filler wire through the torch for gaps and reinforcement.
10 m fiber, red-light aimingReach large frames and installed work without moving the cabinet; the red line shows where the beam lands.
0.2–5 mm in one passFrom 0.2 mm foil to 5 mm plate on stainless and carbon steel, without switching machines.
1200–2000 WLaser power, three models
0.2–5 mmStainless & carbon steel capacity
10 mStandard delivery fiber
68 kgMachine weight, air-cooled
Core Highlights
A welding cell that fits in a van
Most handheld laser welders are portable only in the brochure: the gun is light, the chiller is not. The LWM-F series removes that second box entirely. What is left is a single cabinet holding the laser source, the air-cooling path, the wire feeder and the control panel — the same footprint as a small trolley welder.
01
Air-Cooled, No Chiller
The cooling loop is integrated into the machine body, so there is no separate chiller, no coolant hoses to route and no water quality to maintain. Setup is a power cable and a gas line. It also means no drain-down before the machine is shipped or stored in a cold workshop.
02
Built-In Wire Feeder
A filler wire spool sits inside the cabinet and feeds through the torch, so a joint with a small gap can still be closed in one pass instead of being re-cut. Wire diameter and feed speed are set on the HMI, and the spool is changed without removing a side panel.
03
0.2–5 mm Working Range
Thin sheet is where the process saves the most time: 0.5 mm stainless joins without the burn-through and distortion that come with TIG. At the other end, the 2000F reaches 5 mm on stainless and carbon steel, which covers most sheet-metal frames and brackets.
04
10 m Fiber, Red-Light Aiming
The delivery fiber is 10 m as standard, long enough to leave the cabinet at the foot of a staircase and still weld at the top. Red-light positioning shows exactly where the beam will land before the trigger is pressed, which is faster and safer than lining a joint up by eye.
05
Touch-Screen Control
Power, pulse mode, wire feed and gas delay are set on the HMI rather than by dialling a knob and checking the result. A job can be set once, written down as a short list of numbers, and repeated by the next operator on the next shift.
06
One Person Can Move It
At 68 kg with four castors and a rear handle bar, the machine is moved by one operator. That is what makes it useful for installation work — guardrails, lift doors, ductwork, shopfronts — where the workpiece cannot come to the workshop.
The LWM-F is the right machine when…
- The work is on site or in a customer's building and cannot be brought to a bench.
- You weld several product lines in small batches and cannot justify a chiller per bay.
- Floor space is tight — one cabinet replaces a welder plus a cooling unit.
- Joints are 0.5–3 mm sheet with occasional 4–5 mm plate, and you want to stop grinding every seam afterwards.
- You need to bridge small gaps without switching to a second process.
A different machine fits better when…
- Output is high and the part is identical every cycle — a robot or platform welder pays back faster than a handheld unit.
- The section is 8 mm and above, where a single-pass laser weld stops being economical.
- The joint has to be fully penetrated and pressure-tight to a coded standard.
- The material is copper or a thick highly reflective alloy, which needs a different source and a dedicated process.
Machine Details
What is actually inside the cabinet
Eight views of the production machine: the body and castors, the ventilation path that makes air cooling possible, the HMI, the wire spool compartment, the torch and the rear connections.
01 / BODY
680 × 380 × 820 mm cabinet Sheet-steel body on four castors with a rear handle bar. The side panels carry the ventilation louvers; the front panel holds the HMI and the emergency stop.02 / COOLING
Air path through the side panels Intake and exhaust louvers run the length of both sides. Because heat leaves through the cabinet walls, there is no coolant reservoir, no pump and no hose to a second unit.03 / FEED
Wire spool inside the machine The filler wire spool and feed mechanism sit behind the side panel, so the torch carries wire and fiber in one assembly — one thing to hold instead of two.04 / TORCH
Handheld head with protective lens A standard handheld head with a replaceable protective lens and a trigger at the grip. The lens is a consumable and is changed without tools.
Right sideVentilation louvers and side panel
Left sideService access panel and latches
Rear-left cornerCabinet edge and hinge detail
HMI control panelTouch screen, start / stop and emergency stop
Built-in wire feederFiller wire spool inside the cabinet
Handheld torchHead with protective lens and trigger
Rear panelPower inlet, gas connector and cable gland
Complete unitCabinet, torch, fiber and gas line
Production units shown. Panel layout and fittings may be adjusted for different markets.
Specifications
Three power levels, one platform
The cabinet, the torch and the 10 m fiber are the same across all three models. What changes is the source: the 1200F covers most 0.2–3 mm sheet work, the 1500F adds margin for 4 mm stainless and carbon steel, and the 2000F is specified when 5 mm plate or long continuous seams appear in daily production.
| Parameter | LWM-1200F | LWM-1500F | LWM-2000F |
|---|---|---|---|
| Laser power | 1200 W | 1500 W | 2000 W |
| Capacity — stainless / carbon steel | 0.2–3 mm | 0.3–4 mm | 0.3–5 mm |
| Capacity — aluminium / galvanized | 0.2–2 mm | 0.3–3 mm | 0.3–4 mm |
| Cooling system | Air-cooled | Air-cooled | Air-cooled |
| Laser wavelength | 1080 nm ±5% | 1080 nm ±5% | 1080 nm ±5% |
| Operating voltage | AC 220 V | AC 220 V | AC 220 V |
| Maximum overall power output | 3.5 kW | 4 kW | 5 kW |
| Welding speed range | 0–20 mm/s | 0–20 mm/s | 0–20 mm/s |
| Length of fiber optic cable | Standard 10 m | Standard 10 m | Standard 10 m |
| Protective gas | Argon / Nitrogen | Argon / Nitrogen | Argon / Nitrogen |
| Aiming and positioning | Red light indicator | Red light indicator | Red light indicator |
| Operating temperature | 15–35 °C | 15–35 °C | 15–35 °C |
| Weight | 68 kg | 75 kg | 75 kg |
| Physical dimensions | 680×380×820 mm | 680×380×820 mm | 680×380×820 mm |
Choosing between the three. Work from the thickest joint you make every day, not the thickest you might make once. A shop that runs 1–2 mm stainless cabinets all week is better served by the 1200F, because a lower-power source puts less heat into thin sheet and is easier to keep flat. Step up to the 1500F when 3–4 mm brackets or flanges appear regularly, and to the 2000F when the same operator has to weld a 5 mm plate in the morning and 0.8 mm fascia in the afternoon.
What the numbers do not show. Welding speed is listed as 0–20 mm/s because the useful figure depends on the joint: a lap seam on 1 mm stainless runs at the top of that range, while a 4 mm flange is welded closer to the bottom. Gas, focal position and wire feed all move the optimum, which is why the machine ships with a starting parameter sheet for common materials rather than a single factory preset.
Laser Spot Welding Results
Spot welds on real production parts
Tack, stitch and point welds on stiffeners, ribs, fasteners and cabinet panels — the joints that used to need TIG, plug welds or rivets. A single spot is set by pulse energy on the touch screen, so the same pattern repeats across a batch.
Galvanized sheet + stainlessLaser spot welding · 1.0 mm
Carbon steel plateLaser spot welding · 1.2 + 1.0 mm
Elevator stiffenerLaser spot welding · 1.2 mm
Cold-rolled sheetLaser spot welding · 1.2 mm
Stainless steel cabinetLaser spot welding · 2.0 mm
Cabinet reinforcement ribLaser spot welding · stiffener joint
Galvanized sheetLaser spot welding · GI sheet
Sheet metal fastenerLaser spot welding · nut and stud
Stainless steel stiffenersLaser spot welding · stiffener joint
Stainless steel plateLaser spot welding · lap joint
Stainless steel stiffenerLaser spot welding · rib to panel
Stainless steelLaser spot welding · SS sheet
Parts welded on the LWM-F series in customer production. Thicknesses as marked.
Laser Seam Welding Results
Continuous seams, no post-polish
Butt, lap and corner seams on tanks, ducts, frames and pipes. The narrow heat-affected zone keeps distortion low, and with the built-in feeder a gap of up to about 0.5 mm can be closed in a single pass instead of being re-cut and re-clamped.
Iron battery boxLaser seam welding · 1.0 mm
Aluminum mechanical partLaser seam welding · 1.5 mm
Stainless steel flangeLaser seam welding · 4 mm
Door frameLaser seam welding · corner joint
Door hingeLaser seam welding · hinge to plate
Container rackLaser seam welding · iron frame
Iron plateLaser seam welding · butt joint
Pressure tankLaser seam welding · tank shell
Rectangular ductLaser seam welding · duct corner
Stainless steel cabinetLaser seam welding · panel joint
Liquid cooling pipeLaser seam welding · stainless pipe
Aluminum tubeLaser seam welding · tube corner
Seams shown as welded, without grinding or pickling afterwards.
Applications
Twelve industries, one air-cooled unit
Sheet-metal fabrication across signage, appliances, lift doors, battery packs and process equipment — wherever 0.2–5 mm metal needs joining. The same machine handles mirror-finish stainless for visible surfaces and plain galvanized sheet for internal structure, so one unit can serve several product lines without a second setup.
Advertising & SignageLight-box letters, metal sign boards
Architectural DecorationHandrails, screens, curtain-wall frames
Automotive & Auto RepairExhaust systems, battery trays, body panels
Elevators & DoorsCabin panels, stainless doors, door frames
Water TreatmentStainless tanks, pipes, filter housings
Home AppliancesRefrigerator liners, AC housings, range hoods
Kitchenware & Sanitary WareSinks, cookware, faucets, bathroom fittings
Machinery & MoldsGears, hydraulic parts, mold repair
Medical DevicesSurgical instruments, carts, sterilizers
Hardware & Tube FabricationGuardrails, racks, pipe and tube frames
New Energy & StorageBusbars, battery modules, storage cabinets
Sheet Metal EnclosuresElectrical cabinets, control boxes
Contact
Tell us the material and the thickness
Send the joint drawing, base material, sheet thickness and daily output. We will confirm whether the 1200F, 1500F or 2000F fits, and send back the torch, nozzle and gas settings for your part. Sample parts can be welded and returned with photos and parameters before you order.
WeChat / WhatsApp
+86 136 1279 3248
Fastest reply, usually within the working day. Send a photo of the joint and the sheet thickness and we can answer directly.
Factory
Guangdong Pudian Automation Technology Co., Ltd
1-2F, Building 3, Qichen Industrial Park, No. 26 Luxi 1st Road, Liaobu Town, Dongguan, Guangdong, China · 8:00–17:30 (GMT+8)
Website
spotlaserwelding.com
Full product range, welding samples and the contact form for the sales team.
PDKJ 普电 · Portable Air-Cooled Handheld Laser Welding Machine · LWM-F Series
Images are production samples. Specifications subject to change without notice.
Images are production samples. Specifications subject to change without notice.
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