Rollerbox Trouble Shooting

Problem

 

Possible Cures

Insert “Rubs Away” low quantity of components

 

Check grade for material spindle speed to high — feed rate ?to low.


Insert Breaks

 

Check grade for material spindle speed to low — feed rate to high.


Insert Craters

 

Check grade for material combination of either spindle speedto high or feed rate to low.


Chipstream style will not produce coil turning

 

Spindle speed to high — feed rate to low


Tool withdraw marks with auto retract set correctly

 

Insert set below centerline


Rollerbox will not repeat turned diameters

 

Side roller incorrectly set (side roller controls side more than top roller) Insufficient pressure on roller. Check heel of retraction arm is seated in cutting position.

Support screw “J” has not been adjusted (heel of retraction arm and support screw should be adjusted correctly) particles of swarf trapped under retraction arm heel (regularly strip and clean by removing hinge pin when turning nonferrous material).


Lump or false cut on start of turned diameter

 

Bar stock was not pre-chamfered (30-45 degrees) down to minimum finished turned diameter prior to roller boxing to provide a lead on for the turn — this operation is usually preformed at the part-off stage of the previous component or before the roller box operation THIS PRE-OP IS MOST CRITICAL.


Chatter marks at end of cut or under head of turn

 

Too long a “Dwell” at end of cut.

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Rollerbox Overview & Specifications
Rollerbox Trouble Shooting
Roller Box Auto-Retract Setup

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