Name: U30055H01 Pressure Arm Screw | OTC CM6201 Feeder Tension Part
Brand: OTC DAIHEN
SKU: U30055H01

OTC Daihen Genuine Wire Feeder Pressure Arm Screw U30055H01 (For CM6201)

U30055H01 is the official OEM genuine pressure arm adjusting screw custom-engineered by OTC Daihen for CM6201 industrial wire feeding units. Acting as the core mechanical control for wire feed roll clamping pressure, this screw is machined from high-strength alloy steel and treated with surface hardening and corrosion-resistant finishes. Its precision threads and damped adjustment knob deliver linear, consistent clamping force to the drive rolls. Re-equipping your feeder with an original U30055H01 eliminates thread binding, stripped threads, and erratic wire pressure, preventing both wire slippage and wire flattening over long feeding distances.

OTC Daihen Genuine Pressure Arm Screw U30055H01 Front View — Figure 1: Overall View of Genuine OTC CM6201 Wire Feeder Pressure Arm Screw U30055H01

⚙️ Technical Specifications

Specification Attribute	Detailed Parameter
OEM Part Number	U30055H01
Product Type	Wire Feeder Pressure Arm Adjusting Handle / Screw Assembly
Compatible Models	Dedicated fit for OTC CM6201 Wire Feeder Series
Material & Processing	High-strength alloy steel + high-frequency hardening & anti-rust treatment
Quality Guarantee	100% genuine OEM mechanical assembly; smooth, linear clamping

OTC Pressure Arm Screw U30055H01 Side View — Figure 2: Heavy-Duty Alloy Steel Linkage and Pivot Structure on U30055H01

OTC Pressure Arm Screw U30055H01 Threads — Figure 3: Close-Up of Induction-Hardened Precision Adjusting Threads on U30055H01

🔧 On-Site Pressure Calibration & Maintenance Guide (Essential Reading)

Avoid Over-Tightening: Never over-tighten pressure arm screws when feeding resistance increases! Excessive clamping flattens circular welding wire into an oval profile, scraping copper plating and jamming wire conduit liners. Adjust tension until feed rolls slip slightly when wire is obstructed at the contact tip.
Thread Lubrication: U30055H01 operates under heavy spring tension. Apply a thin film of mechanical grease to adjusting threads periodically. Operating dry causes thread galling and binding over time.
Drive Roll Groove Matching: If wire slips despite proper pressure calibration, verify whether drive roll grooves match wire diameter and type (V-groove for carbon steel, U-groove for aluminum/flux-cored wire).
Replace Bent Screws: Never operate with bent adjusting screws; eccentric rotation causes uneven wire pressure and arc pulsation during welding.