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5" X 12" Myford HAR12 Hydraulic Cylindrical Grinder, New 1979.

 5" X 12" Myford HAR12 Hydraulic Cylindrical Grinder

Specifications:

Max. grinding diameter…………………………………………………. 3.0".

Swing over table…………………………………………………………... 5".

Distance between centers………………………………………………... 12".

Max. table travel…………………………………………………….. 13-3/4".

Maximum grinding diameter………………….. 3".

Swing over table………………………………  5".

Capacity between centers……………………. 12".

Maximum table travel…………………… 13-3/4".

Table swivels either way………………… 10 deg.

Table travel per rev. of handwheel………… 0.44".

Hydraulic table traverse…………... 0 to 120" ipm.

Dwell (carriage)………………………. 0 to 8 sec. 


WHEELHEAD (all graduations, on work diameter):

Total travel by feed screw…………………. 3-7/8".

Hydraulic rapid retraction…………………. 1-1/8".

Infeed per rev. of handwheel……………….. 0.04".

Wheel feed graduation…………………… 0.0002".

Fine feed to dead stop…………………… 0.00005".

Intermittent infeed, coarse (max.)….…..….. 0.002".

Intermittent infeed, fine (min.)………….. 0.00005".

Sparkout…………………………….… 0 to 50 sec.

Wheel speeds (2)………………. 1830 & 1988 rpm.

Grinding wheel………………….. 12" x 1-1/2" x 5".

Minimum wheel diameter for zero work diam… 10".


WORKHEAD:

Spindle speeds, infinitely variable…. 50 to 900 rpm.

Capacity thru standard draw tube…………….. 3/4".

Maximum collet capacity…………………….. 3/4".

Weight (approx..)………………………… 2,226 lb.


MACHINE FEATURES:

Hydraulic table traverse.

Automatic infeed.

Variable dwell @ each end of table movement.

Automatic hydraulic rapid advance and retraction of grinding wheelhead.

Sparkout timer (1 to 50 seconds).

Automatic cycle/manual operation selector.

Infinitely variable workhead spindle speeds.

Automatic lubrication for wheelhead and carriage ways.

Separate electrical console control.


Equipped with:

Myford "Swivelling" workhead w/live spindle.

Coolant.

 ALSO AVAILABLE FOR PURCHASE WITH THIS MACHINE- SWING DOWN I.D. ATTACHMENT  + $3,950.00.

SPECIFICATIONS ARE CORRECT TO THE BEST KNOWLEDGE OF THE SELLER BUT ARE NOT GUARANTEED.
BUYERS ARE ENCOURAGED TO CHECK IMPORTANT CHARACTERISTICS.

 

 

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We do not send quotations without this information.

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