MD-5 Steel Rod Butt Welder
Stainless Steel, Steel, Titanium
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Butt Welder
MD-4 Steel Rod Butt Welder
The MD-4 is the entry point to Micro Weld’s MD line of large-diameter steel rod butt welders, joining solid steel, stainless, and titanium rod from .250 to .750 in (6.35–19.05 mm). Like every MD machine, it forms welds under heavy upset pressure delivered by a motor-driven cam assembly, producing consistent, high-strength joints on demanding steel rod. Foot-controlled pneumatic clamping and a water-cooled headpiece keep positioning precise and duty cycles high, while the extra heavy-duty transformer holds heat stable through continuous, high-volume production.
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Metal:
Stainless Steel, Steel, Titanium
Construction:
Solid
Solid Steel Welding Range:
.250 in (6,35 mm) - .750 in (19,05 mm)
Max Current Draw:
727/363/290
Single Phase Transformer:
Yes
Heat Selection Method:
99 STEPS SCR
Upset Method:
Motorized Cam
Air Requirements:
n/a
Mounting Truck Type:
4 Wheels
Dimensions & Weight:
Welding Die Height: 43 in (109.22 cm)
Width Across the Front: 60 in (152 cm)
Depth to the Back: 37 in (94 cm)
Height: 50 in (127 cm)
Weight: 2025 lbs (918.25 kg)
Width Across the Front: 60 in (152 cm)
Depth to the Back: 37 in (94 cm)
Height: 50 in (127 cm)
Weight: 2025 lbs (918.25 kg)
- Heavy Duty Vise
- CAL Type Anneal
Butt Welder Upgrades to Improve Your Precision and Productivity
Upgrade your Micro Weld butt welders with world-class safety & technology accessories. You’ll get the same quality, rugged welders with the safety features you need, creating uniformity with every machine and consistency with every training.
- New Finger Safe Covers & Components
- 24V Control Circuit
- Interlock Switch on Rear Access Panel
- Solid-State Heat Control
Applications
Re-bar and reinforcing wire mesh
Fasteners, anchors, and heavy cold-headed stock
Heavy springs and large-gauge wire forms
Agricultural and industrial steel rod
Steel rod stock for downstream drawing or forming
Real-World Benefits
- Repeatable weld strength: The motor-driven cam applies the same heavy upset pressure on every cycle, producing uniform joints batch after batch.
- Sustained duty cycles: A water-cooled headpiece dissipates heat so the machine keeps pace with high-volume runs.
- Precise placement: Foot-controlled individual clamping pedals let the operator position and adjust rod hands-free.
- Stable, efficient heat: The extra heavy-duty transformer keeps welding heat consistent while controlling energy use.
- Long service life: Clamping cylinders use durable neoprene diaphragms built for continuous operation.
Comparison to Similar Models
The MD-4 is the smallest and lightest MD machine (2,025 lbs), covering the .250–.750 in range. For larger rod, the line scales up through the MD-5 (.500–1.125 in), MD-6 (.750–1.500 in), and MD-8 (1.00–1.75 in). Compared with the J8S — also solid steel up to .500 in but with mechanical upset — the MD-4 adds motorized-cam upset and water cooling for larger rod and higher throughput. Where the air-upset AD machines target non-ferrous wire and cable, the MD series is purpose-built for solid steel rod.
Best For
- Steel rod producers and processors working in the .250–.750 in range
- Operations needing more capacity and throughput than the J series
- Re-bar, fastener, and heavy-spring manufacturers
