M Ounting O F C Utters; Remedies F Or H Ole M Aking P Roblems - Rotabroach RD130C Manual

Issue 8
If t he s lug s ticks i n t he c utter, m ove t he m achine t o a f lat s urface, s witch o n t he m agnet a nd g ently b ring t he
cutter d own t o m ake c ontact w ith t he s urface. T his w ill u sually s traighten a c ocked s lug a nd a llow i t t o e ject
normally.
Apply a s mall a mount o f l ight o il l ubricant r egularly t o s lide a nd a rbor s upport b earing. C utter b reakage i s
usually c aused b y i nsecure a nchorage, a l oosely f itting s lide o r a w orn b earing i n t he a rbor s upport. ( Refer t o
routine m aintenance i nstructions.)
[4] M OUNTING O F C UTTERS
The f ollowing p rocedure i s t o b e u sed w hen m ounting c utters.
Lay t he m achine o n i ts s ide w ith f eed h andles u ppermost, e nsuring a rbor i s w ound d own t o i ts l owest p oint t o
enable access to socket screws RD4066. Take the appropriate pilot and place through hole in shank of cutter.
Insert s hank o f c utter i nto a rbor e nsuring a lignment o f t wo d rive f lats w ith s ocket s crews R D4066. T ighten b oth
screws s ecurely u sing h exagon k ey R D4088.
[5] REMEDIES F OR H OLE M AKING P ROBLEMS
Problem
Magnetic b ase w on't h old
effectively
Hole n ot c ut a t i ntended
centre o f c ut
Original V ersion
ALWAYS D ISCONNECT M ACHINE F ROM P NEUMATIC S UPPLY
Cause
Material b eing c ut m ay b e t oo t hin f or
efficient h olding
Swarf o r d irt u nder m agnet
Irregularity o n c ontact b etween
magnet a nd w ork p iece
Magnetic b ase i s n ot h olding
effectively
Worn a rbor b ushing a nd/or e jector
collar
Too m uch f eed p ressure a t s tart o f c ut
Cutter i s d ull, w orn, c hipped o r
incorrectly s harpened
Worn o r b ent p ilot, w orn p ilot h ole
Loose b olts o n m otor b ushing s upport
bracket, m ain c asting o r l oose g ib
adjusting s et s crews
Attach a n a dditional p iece o f m etal
under w ork p iece w here m agnet w ill b e
located, o r m echanically c lamp m agnetic
base t o w ork p iece
Clean m agnet
Use e xtreme c are, f ile o nly i mperfections
flush o n t o s urface
See c auses a nd r emedies a bove
Replace! O nly a f ew t housandths w ear
permissible. N ew a rbor b ushing i s
needed
Light p ressure u ntil a g roove i s c ut. T he
groove t hen s erves a s a s tabilizer
Replace o r r e-­‐sharpen. S harpening
service i s a vailable
Replace p art o r p arts
Adjust w here n ecessary
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June 2 011
Remedy