HEALD 174 GAP Internal Grinder, offers a 52" swing, max grinding bore of 20", and 13" grinding stroke. Features include a 2 hp workhead, 712 hp wheel power, and 123 RPM workhead speed. Comes with a T-slotted face plate.
| Swing | 52" | 1,320.8 mm |
| Size Capacity | 20" | 20" |
| Max Grinding Bore | 20" | 508 mm |
| Stroke | 13" | 330.2 mm |
| Travel-Long | 6" | 152.4 mm |
| Workhead Power | 2 hp | 1.5 kW |
| Wheel Power | 712 hp | 530.9 kW |
| Workhead Speed | 123 RPM | 123 RPM |
| Dresser | Yes | Yes |
| Dimensions | 139 x 82 | 139 x 82 |
| Weight | 16690 | 16690 |
174 HEALD GAP INTERNAL GRINDER
S/N 49332
STANDARD SPECIFICATIONS
CAPACITIES
Swing inside standard chuck guard, diameter…………………….. 52"
Maximum diameter on hole that can be ground…………………... 20"
Maximum grinding stroke………………………………………… 13"
Maximum length of hole that can be ground depends on the
nature of the work. Refer details to Worcester.
Gap adjustment (standard)………………………….. ……………11 1/2" to 20"
Center of spindle from motor……………………………………. 48 1/4"
Work head cross slide travel……………………………………… 6" front, 6" rear
Diameter of work head spindle flange……………………………. 12"
Hole through work head spindle………………………………….. 1 11/16"
SPEEDS AND FEEDS
Table speed unlimited between…………………………………… 0-18 FPM
Work head speeds………………………………………………… 41-62-82-123 RPM
Cross feed dial graduation represents on diameter of work……… .001"
Power feed adjustment……………………………………………. 1 to 6 teeth
Each ratchet tooth with coarse gears (standard)………………….. 0002"
Each ratchet tooth with fine gears (optional)…………………….. 000138"
DRIVE
Pump drive motor (60 cycle-AC)………………………… 2 HP 1200 RPM
Work head motor (60 cycle-AC)…………………………. 600-900-1200-1800 RPM
Wheel head motor (60 cycle-AC)………………………… 7 1/2 HP 3600 RPM
Coolant pump motor (60 cycle-AC)……………………… 1/2 HP 1800 RPM
GENERAL DATA
Capacity of oil reservoir…………………………………… 35 gal.
Capacity of coolant tank…………………………………… 125 gal
Length and width of base on floor…………………………. 115" x 36 1/2"
Floor space (total) without coolant tank…………………… 139" x 82"
Weight of machine (net)…………………………………… 16,690 lbs.
Weight if machine (boxed)………………. …………………19,700 lbs. 670 cu ft.
Weight of machine (crated)………………………………… 19,175 lbs (8700 kg)
Weight of pump and tank (boxed)…………………………..400 lbs. 24 cu ft
EQUIPPED WITH
44” T-slotted face plate.
Plunge feed.
Face stop.
Manual & power table.
Cross slide manual or plunge feed.
Single point dresser.
Stand alone electrical.
Specifications are deemed accurate, however, subject to verification or prior sale.
