76" x 444" BERTRAM ENGINE LATHE WITH 121" BED EXTENSION   Our stock number: 5082

76 x 444 BERTRAM ENGINE LATHE WITH 121 BED EXTENSION

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76 x 444 BERTRAM ENGINE LATHE WITH 121 BED EXTENSION76 x 444 BERTRAM ENGINE LATHE WITH 121 BED EXTENSION76 x 444 BERTRAM ENGINE LATHE WITH 121 BED EXTENSION
76 x 444 BERTRAM ENGINE LATHE WITH 121 BED EXTENSION76 x 444 BERTRAM ENGINE LATHE WITH 121 BED EXTENSION76 x 444 BERTRAM ENGINE LATHE WITH 121 BED EXTENSION

Swing over bed......................... 76"
Swing over carriage.................... 59"
Size of 4 jaw faceplate................ 71"
Distance between centers............... 444"
Quill diameter, approx................. 13"
Spindle Speeds (3 variable ranges)..... 1.35-5.4 RPM, 5.48-21.9 RPM,
25.2-101 RPM
Threads................................ 1-46 Pitch
Leads/Rev (approx)..................... 1.14-2.66
Feeds IPR (approx)..................... 0.0025 - .625"
Distance across bed ways (approx)...... 58"
Size of center body (OD) (approx)...... 3.5"
Carriage has Variable Speed Rapids in all four directions
Carriage has powerfeed
Compound has powerfeed (taper is possible from this feed)
Lathe bed/ways were re-scraped in 1991.

Equipped With:
Steady rest 5 supports, approx. 28" capacity
DRO on cross-feed of carriage
GE 40/50 HP DC Motor and control (New Vector Var. Speed Control added 2000)
121" Bed extension for tailstock

Customers' experience is that they could hold +/- .005" over 300".
They held a 72,000 lb x 500" part successfully.
Gears and feeds are good.
Carriage was re-worked about 3 years ago.

Shipping Breakdown:
1. Bed Extension 15,800#, 10' 2" x 4'10" x 2'3"
2. Short Bed with End Stock 33,600", 17' x 6' 8" x 7'0"
3. Main Bed with Carriage and Head Stock 74,775#, 30' x 8'3" x 8' 5"
4. Drive Motor 4260#
5. Steady Rest 4500#
6. Bed Screw 2162#, 40' L x 4 " dia (this will have to be laid flat)
7. (4) other wood boxes about 4' x 4', approximately 1500# ea
8. Electrical Cabinet,(appro)500-700#, 7' high x 32" wide x 24" deep

*See attached Warranty, Terms, Machine Use and Safety.
**These specifications are subject to verification upon inspection.



For a quote on this machine, please complete the form below or contact us directly.

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