CUSTOMER SERVICE

• You may reach our customer service department at 224-659-7870 ext. 2706
• Large inventory of OEM spare parts
• Same day shipment on replacement parts in stock
• Training and service calls available
• Technical assistance available
• Master Charge and Visa accepted

SERVICE QUESTIONS

Lock Seam:

Lock Seam Wanders

• Worn clinching roller bearing or maladjusted clinching roller alignment
• Worn upper support roller bearing or maladjusted alignment
• Worn guide roller or rails in form roll unit or form rollers
• Loose setscrew holding clinching roller fork to clinching roller piston rod
• Not enough bend on Flange Roller

Poor Lock Seam

• Worn, broken, or improperly adjusted folding finger
• Worn, seized, or improperly adjusted flange roller
• Clinching roller: Wrong horizontal adjustment, wrong hydraulic pressure, and wrong roller type for material thickness
• Wrong, worn, or improperly adjusted Form Roll Unit (If using a 1/3 FRU, failure to back off the 4 jack screws will cause a poor lock seam as well)
• Excessive guide plate wear (If the edge opposite and parallel to the folding finger is too worn, the channel will not be folded properly. This is very important when running stainless steel)
• Problem with the metal itself: wrong temper, wrong hardness, wrong alloy (this especially applies to stainless steel, aluminum, and paint grip)

Buckling:

• Drive roller and/or clinching roller pressure too high
• Drive roller improperly gapped
• Wrong inlays (shims) in between guide plates
• Excessively worn or damaged guide plates (DO NOT USE A HAMMER TO SEAT PLATE GUIDES!)
• Excessively worn bearings on either upper or lower drive roller shafts (This problem will also cause excessive galvanization to build up on the drive roller)

Shrinkage:

• Tube ends have different diameters or tube is loose in the head
• Upper support roller maladjusted
• Loose lock seam (The tube ends change due to lock seam "slippage", either during or after the tube is cut)
• Excessive support arm pressure
• Receiving tables out of alignment (Tube is deflected by tables and change diameter as tube is formed)
• Favoring the channel too much on form roll unit's guide roller/rails will cause loose tube in forming head