r01; n ,._.� Positronrn�f"iiriff - [evelliiig · · - - · · ·------ Locate the machine on a solid foundation allowing sufficient area for operation and maintenance access (SEE GENERAL ARRANGEMENT AND FOUNDATION PLAN). Although foundation bolt holes are p rovided f or use w h ere a f i xed installation is considered essential, for normal working it is not necessa r y to bolt t he lathe to the floor.
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------.g ...,, � Check for flow when motor is running DurchfluB nachpn1fen, wer:in Motor lauft . Verifier le debit lorsque le moteur tourne \ 31 1:, , 1 tS:hV � - 2.61,tres r � ,.,,.� t¾ M@bil cr� � Shell DT E OI L ENEAGOL HYSPIN.
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· · ---�· ·- . . -· - · . ·- ·-·· ..,. ___ ..Starti" h g the Machine** Ensure that lubrication has been carried out in accordance with the Lubrication diagram.
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i.,j L _: - - r · , , l I<, - ' . r.:1 . t J- - . t'.I · ·operationarN·otes use only high speed tyl CHUCKS NOTE MAXIMUM SPEEDS FACEPLATES 800 r.p.m. for 380rhm (15in) dia. & . 400 r.p.m. for 580 t m (23in) dia. (i.e.
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�-- - � -.._.. � - (A) METRIC THREADS on METH.IC LEADSCREW MACHiNES ENGLISH THREADS on ENGLISH LEADSCREW MACHINES For these threads it is recommended that the "thread indicator dial" be used·- this allows the leadscrew nuts to be disenga ged at the end of each screwc;utti ng pass, provided that the\.
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1 I 11., sk l MULTl�STARTTHREADS - 'SPINDLE GEAR' METHOD When using this method, it must be noted that the to p Changewheei rotates at half the Spindle speed and the number of starts which can be cut is limited to figures which can be divided (without _ a remainder) into half the number of teeth on the top Changewheel.
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----------- - � -- _ _ J ::n_ J Fig.3 n . , r. 1 Adjustment {Fig. 3 and 3a) Select Clutch to be adjusted, i.e. R.H. for fprward L.H. for reverse. /,, 1 (Roller type Clutch-Matrix) Slide back Knurled Lock Ring (A) and rotate. one notch at a time {2 ) p .
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---- - - ..f: i � - � Saddle Keep Strips (fig._ 4) whfd, Four· selflockin g .. A"ci j us1ing Screws are provided o p erate independently. These are the Slotted Head Screws located under each en d of bo th the front and rear Saddle Win g s. The procedure for adjustment bein g to turn each Screw in tum ( clockwise to take.u p play) u ntil re q uired setting is obtained.
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j ... ; t: ..1, . . Cross . . Slide {Fig. Provision is made for the elimination of backlash in the Cross Slide Nut, the procedure for adjustment being as follows:- Remove only the M12 'Blanking' Screw which is the l.H. Rear one of the group of three, in the top face of the Cross Slide.
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. Top-Slide Ways<fig .. 7r Wear in the Top Slide Ways may be adjusted f o r b y m eans o f the Taper Gib Strip as follows: Tum the Slotted Head Screw at the 'Micrometer Dial end' in a clockwise direction to tighten the 'Gib' - the procedure being to first slacken the similar Screw at the opposite end,then re-tighten this after adjustment to lock the Gibin its new position.
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1 ' • . I I'', I I tJ ',.,..\ Leadscrew Torque Limiting Device This unit (mounted at the L. H. end of the lea dscr e w l is p rovided to protect the gearbox and end drive from damage in the event of a 'collision' during the thread cutting cycle and is carefully set to a pre-determined sl ipping torque before the machine is dispatched from our works.
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�-· L :. ; - - L:;• �---· � Warner Fail-Safe Spi�dl�. �. r ak,� This Unit is a permanent 'Ceramic-Ma gnet' type which is release· d (by reversing the direction of magnetic flux) when its electromag net coil is energised. THE BRAKE IS SELF-COMPENS ATING FOR WEAR AND SHOULD REOUl R E NO A DJUSTMENT DURING THE NORMAL USE AND LIFE O F THE MACHINE.
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. . td .. .:: (' ' j t',. ·L:: : . f'_ J ' r - • , ,i. .. Ll f ] ( __ P_a_rt_s_· _s_e_c _ t i _o_n __...
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..�, Part s Orderi n g Procedure Quote: Machine Serial Number which will be found stamped int o the fro_11t face of the bed ways at the tailstock end ,··1 .>:\! Refe r to t he appropriate assembly and �...
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Stan dard /Pro priet ary Part s letter Codes 'Brack eted' Conven tional Letter Code Compo nent Descr iption . Given and Nuts Screw s Thread X 0/ all length Socket Set (Grub) Screw: Flat Point Dog Point (Normal) FXd1 Dog Point (long) Cone Point Cup, knurled or 'W' Point...
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Conventional 'Bracketed' Descdption Given Letter Code Component . · Pins and Dowels Norn. 0 X 0/all length Grooved Pin: Full length groove -Tight at one end _;•:·. Half length groove - T ight on end -Full length groove - Parallel Half length groove - Tight at centre Cent re groo ve GP 5...
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