Hardinge SERIES I Installation Operation & Maintenance Download Page 8 | Manualshive

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HI-NEUTRAL-LO LEVER

The Hi-Neutral-Lo Lever “O”, Figure 2.13, is used to put the attachment into either back gear or

direct drive. Rotate the spindle by hand to facilitate meshing of clutch or gears.

Neutral is provided to permit free spindle rotation for indicating and setup work.

In the high speed position (direct drive) the spindle is driven by tapered clutch teeth. If the clutch is

not meshed tightly, clutch rattle will be heard. This can be corrected by loosening the two securing
screws in lever while in high speed position. The clutch spring will automatically adjust the clutch.
Tighten the two securing crews in lever.

- CAUTION -

Do not shift hi-lo lever while motor is running.

M-450

2-7

Figure 2.13 - Hi-Neutral-Lo Lever

Neutral

High

Low

Securing Screws

TP5297

O

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Summary of Contents for SERIES I

Page 1: ...INSTALLATION OPERATION MAINTENANCE AND PARTS LIST SERIES I MILLING MACHINES Revised August 29 2005 Manual No M 450 Litho in U S A Part No M 0009500 0450 June 2003 TP5260 ...

Page 2: ...CHAPTER 2 OPERATION HEAD CONTROLS M 450 2 1 Figure 2 1 Head Controls Parts Assembly A N O P Q R C B M G E D F H I J K L TP5285 ...

Page 3: ... unless the motor direction is reversed by moving switch to Low The back gear lever is marked Hi Lo This will indicate the proper switch position They should be positioned alike or the spindle will run backwards NOTE Spindle should run in clockwise position VARIABLE SPEED DIAL Variable Speed Dial B Figure 2 3 visibly indicates in windows the speed range that the machine is operating in 60 to 500 l...

Page 4: ...ake is re leased before starting the motor This is important as the motor can be damaged if switch is turned on with brake in locked position QUILL FEED SELECTOR The Quill Feed Selector D Figure 2 5 is used for selecting the three feeds 0015 003 and 006 per revolution It is shifted by pulling knob out and turning from one position to the other Feeds are stamped on cover below indentation hole Feed...

Page 5: ... spindle rotation If boring with right hand cutting tools pull feed handle towards operator until clutch becomes engaged Neutral position is between forward and reverse position It is recommended that the handle be left in neutral position when not in use MANUAL FEED HANDWHEEL Feed Reverse Knob G should be in neutral position and Feed Control Lever I Figure 2 8 engaged Clockwise rotation of Manual...

Page 6: ... the field NOTE The feed control lever must be en gaged in order to use manual feed controls the quill feed handle and manual feed handwheel may be removed when not in use QUILL Quill J Figure 2 9 contains the spindle assembly and can be raised or lowered by using the quill feed handle M Figure 2 10 SPINDLE Spindle K Figure 2 9 performs the actual rotation and also retains the machine tooling QUIL...

Page 7: ...ut and crank handle in clockwise or down direction and move to opposite position see Figure 2 12 NOTE Crank should be rotated counter clock wise to engage power quill feed Crank should be rotated clockwise to disen gage CAUTION Power feed worm gear may be en gaged when spindle is rotating however it should be engaged gently to avoid damage to worm gear The worm gear may be disen gaged at any time ...

Page 8: ... the high speed position direct drive the spindle is driven by tapered clutch teeth If the clutch is not meshed tightly clutch rattle will be heard This can be corrected by loosening the two securing screws in lever while in high speed position The clutch spring will automatically adjust the clutch Tighten the two securing crews in lever CAUTION Do not shift hi lo lever while motor is running M 45...

Page 9: ...spindle nose by hand until the gears line up then move the Hi Neu tral Lo lever to the Lo position back gear 3 Use the low range on the drum switch to engage the back gears CAUTION If the back gears do not mesh do not force the lever To obtain 500 to 4200 high range 1 Hold the Hi Neutral Lo lever right rear side of the attachment so the gears are clear of one another 2 rotate the spindle nose by h...

Page 10: ...the belt housing pulling towards the operator or pushing away from the operator until it binds then raise the quill feed handle Drawbar has 7 16 20 right hand thread and should be tightened by hand with normal amount of pressure using wrench furnished with machine To loosen collet back off drawbar and if collet does not open immediately give knob on top of drawbar a slight tap Spindle has non stic...

Page 11: ... required speed Back Gear Low Speed CAUTION DO NOT change range while spindle is running Change range only when spindle is stationary To change range from direct to back gear drive 1 Switch B Figure 2 17 to OFF Stop spindle rotation 2 Move lever C through neutral to LOW This reverses the spindle rotation 3 Switch B to LOW 2 10 M 450 Figure 2 16 Spindle Speed Change A TP5300 Figure 2 17 Back Gear R...

Page 12: ...ate spindle by hand until the clutches are felt to engage 4 Switch B to HIGH Quill Feed FINE HAND FEED 1 Disengage Auto Quill Feed D Figure 2 19 2 Locate F in mid neutral position 3 The quill is now under handwheel control M 450 2 11 Figure 2 18 Direct Drive Lever High C Neutral Low TP5302 Figure 2 19 Quill Feed Fine Hand Feed Control E F I D H G Off On Engage TP5303 ...

Page 13: ...has stopped 4 Select feed rate I 5 Select feed direction F Figure 2 22 6 Engage feed trip lever E The feed will automatically trip out at a depth within 010 25mm 7 Hand feed to dead stop for repeating accuracy 001 025mm CAUTION Do not engage quill feed D over 3000 RPM 2 12 M 450 Figure 2 20 Quill Feed Automatic Feed Control F Up Neutral Down Fine Feed Handwheel Engage TP5304 ...

Page 14: ... to lock and prevent movement of spindle see Figure 2 21 Quill Sensitive Hand Feed 1 Place the handle on the quill feed shaft 2 Select the most suitable position 3 Push home until the locating pin engages M 450 2 13 Figure 2 21 Spindle Brake Brake Brake Off Turn and Lift to Lock TP5306 Figure 2 22 Quill Sensitive Hand Feed TP5307 ...

Page 15: ...uts J Figure 2 23 WARNING DO NOT remove these locking nuts 2 Swivel to required angular setting 3 Tighten three locknuts J snugly before final tightening of locknuts Run spindle to give correct spline alignment then tighten lock nuts securely Swivel Turret 1 Use wrench supplied with machine to loosen the four bolts K Figure 2 24 WARNING DO NOT remove these four bolts 2 Index to the required settin...

Page 16: ...ddle Clamping When milling with longitudinal table feed only it is advisable to clamp the knee to the column see Figure 2 27 and the saddle to the knee to add rigidity to these members and provide for heavier cuts with a minimum of vibration The saddle locking lever is located on the left hand side of the saddle Excessive moisture can cause slight table bind Use moderate clamping pressure as this ...

Page 17: ...uired see Figure 2 28 Knee Clamping The knee clamping levers are at the left side of the knee and front of knee Leave clamped at all times unless using knee in operation see Figure 2 27 2 16 M 450 Figure 2 27 Knee Clamping Knee Clamp On Off Clamp Knee Clamp Off On TP5312 Figure 2 28 Table Clamping Unlock Lock Table Clamp Levers TP5311 ...

Page 18: ...t until spring loaded plunger engages in position NOTE Ball crank handle is a safety device Do not tamper with this assembly Variable Cross Slide Feed Cross Feed Power Feed Y Axis M 450 2 17 Figure 2 29 Variable Table Feeds Feed Engage Lever TP5313 Feed Left Feed Right Neutral Figure 2 30 Variable Cross Slide Feed TP5314 Neutral In Out Cross Feed Engage Lever ...

Page 19: ...ng 3 Tighten the four locknuts first to 25 lb ft Then 50 lb ft ref Page 1 4 NOTE Remove the screw sealing vent hole before operating machine ref Page 3 15 2 18 M 450 Figure 2 31 Shaping Head Guard Removed for Clarity Motor Locking Nuts Stroke Adjustment locknut On Off Switch Tool Holder Clapper Box TP5315 Figure 2 32 Shaping Head Guard Installed TP5316 Locknuts ...

Page 20: ...otor locknuts With 50 cycle 1425 rpm 60 85 120 170 245 350 strokes per minute To Change Stroke 1 Loosen locknut see Figure 2 34 2 Turn stroke dial to required setting 3 Press dial home to engage pin 4 Tighten locknut NOTE Before operating attachment ensure locknut is tight M 450 2 19 Figure 2 33 Changing E Head Speed Locknuts TP5317 Figure 2 34 Changing E Head Stroke Engage Pin Locknut Stroke Dial...

Page 21: ...crews O Figure 2 35 2 Rotate to the required angular setting 3 Tighten the two set screws O Tool Relief 1 Loosen set screw P The tool will now have automatic relief on the return stroke 2 20 M 450 Figure 2 35 Swiveling E Head Clapper Box TP5319 P O Rear View ...

Page 22: ... NOTES M 450 2 21 ...

Page 23: ......

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