Cobra High Performance Engine Lathes

SMALL TO MEDIUM SIZE LATHES

 

Base Features for all COBRA High Performance Engine Lathes

  • GAP BED, FLOOD COOLANT, DUAL DIALS, 110 VOLT CONTROL SYSTEM, 4 WAY TOOLPOST, THREAD INDICATOR, CENTER AND CENTER SLEEVE, LEVELING BOLTS, SERVICE TOOLS AND TOOLBOX, INSTRUCTION AND PARTS MANUAL.
  • STANDARD EQUIPMENT ON THE 18″, 20″ AND 22″ MACHINES INCLUDE THE “MATRIX” CLUTCH SYSTEM FOR ENGAGING THE SPINDLE DRIVE.
  • INDUCTION HARDENED AND GROUND BEDWAYS.
  • HARDENED AND GROUND SPINDLES & GEARS IN HEADSTOCK.
  • CAMLOCK SPINDLE NOSE PROVIDES FAST & SAFE MOUNTING.
  • AN INTERLOCK DEVICE TO PREVENT SIMULTANEOUS ENGAGEMENT OF FEED ROD AND LEADSCREW.
  • NO VOLTAGE RELEASE, LOW VOLTAGE CONTROLS, AND FOOT BRAKE PROVIDES SAFETY OPERATION.
  • TOTALLY ENCLOSED OIL BATH, DOUBLE WALL APRON WITH SPLASH TYPE LUBRICATION.
  • FORWARD-OFF-REVERSE SPINDLE CONTROL PROVIDED BY GATED LEVER AT APRON.
  • VARISPEED LATHES EQUIPPED WITH ALL DIGITAL, HIGH PERFORMANCE AND LOW NOISE INVERTERS.

13″ X 40″ High Performance Gap Bed Engine Lathe

  • THE SPINDLE SPEEDS CHANGED BY COMBINED LEVER WITH SELECT KNOB FOR EXACT AND SMOOTH OPERATION.
  • TOTALLY ENCLOSED NORTON GEARBOX WITH OIL BATH FOR LUBRICATING THROUGHOUT. THE SELECT KNOBS FOR SMOOTH AND RAPID GEAR CHANGES.
  • AVAILABLE FOR WHITWORTH AND METRIC THREAD CUTTING WITH CONVERSION CHANGE GEARS.
  • ALL THE FEEDS ARE CONTROLLED BY TWO PUSH/PULL PLUNGERS AT APRON FOR EASY AND FAST OPERATION.
  • THE OPTIONAL EQUIPMENT “UNIVERSAL GEARBOX” PROVIDES A COMPREHENSIVE RANGE OF METRIC, WHITWORTH, D. P. AND MODULAR THREADS.
  • THE FEED ROD AVAILABLE TO FIT OVERLOAD CLUTCH AS OPTIONAL EQUIPMENT.
  • OPTIONAL EQUIPMENT TWO-SPEED MOTOR FOR 16 SPINDLE SPEEDS.
  • THE VS MODELS ARE EQUIPPED WITHYASKAWA VARISPEED-606 PC3 (2.2KW) ULTRA-COMPACT, ALL-DIGITAL, LOW-NOISE INVERTERS OR EQUIVALENT.

1440VS – 14″ X 40″ High Performance Gap Bed Engine Lathe

  • TOTALLY ENCLOSED UNIVERSAL GEARBOX PROVIDES A COMPREHENSIVE RANGE OF METRIC, WHITWORTH, D. P. AND MODULAR THREADS.
  • BUILT-IN LONGITUDINAL AND CROSS FEED EXCHANGE OPERATED BY PUSH/PULL PLUNGER ON APRON.
  • FEED ENGAGE LEVER OPERATED BY PULL-UP, AND DISENGAGE OPERATED BY PUSH-DOWN TO ENSURE EXACT AND FAST OPERATION.
  • THE FEED ROD OVERLOAD CLUTCH IS STANDARD EQUIPMENT.
  • THE VS MODELS ARE EQUIPPED WITHYASKAWA VARISPEED-606 PCS (3.7KW) ULTRA-COMPACT, ALL-DIGITAL, LOW-NOISE INVERTERS OR EQUIVALENT.

15″ X 50″ High Performance Gap Bed Engine Lathe

  • ALL GEAR. 16 SPINDLE SPEEDS IN GEOMETRIC PROGRESSION AT 25-2000 R.P.M.
  • SLIDEWAY LUBRICATION PROVIDED BY “ONE-SHOT” PLUNGER TYPE PUMP.
  • TOTALLY ENCLOSED UNIVERSAL GEARBOX PROVIDES A COMPREHENSIVE RANGE OF METRIC, WHITWORTH, D. P. AND MODULAR THREADS.
  • ADJUSTABLE CLUTCH ON APRON PROVIDES LONGITUDINAL AND CROSS FEED PRESSURE ADJUSTMENT.
  • CROSS SLIDE NUT INCORPORATES BACKLASH ELIMINATOR.
  • THE VS MODELS ARE EQUIPPED WITH YASKAWA VARISPEED-616G3 (5.5KW) HIGH-PERFORMANCE, LOW-NOISE, GENERAL-PURPOSE INVERTERS OR EQUIVALENT.
  • GEARED HEAD MACHINE AVAILABLE WITH OPTIONAL MATRIX CLUTCH.

18, 20, 22 Swing High Performance Gap Bed Engine Lathe

  • ALL GEAR HEAD. 16 SPINDLE SPEEDS IN GEOMETRIC PROGRESSION FROM 20-1600 R.P.M.
  • SLIDEWAY LUBRICATION PROVIDED BY ” ONE-SHOT ” PLUNGER TYPE PUMP.
  • TOTALLY ENCLOSED UNIVERSAL GEARBOX PROVIDES A COMPREHENSIVE RANGE OF METRIC, WHITWORTH, D.P. AND MODULAR THREADS.
  • ADJUSTABLE CLUTCH ON APRON PROVIDES LONGITUDINAL AND CROSS FEED PRESSURE ADJUSTMENT.
  • BUILT-IN FEED REVERSE OPERATED BY PUSH/PULL PLUNGER ON APRON.
  • WIDE, FULL LENGTH CROSS SLIDE EXTERNALLY DOVETAILED FOR QUICK AND EASY MOUNTING OF ACCESSORIES.
  • CROSS SLIDE NUT INCORPORATES BACKLASH ELIMINATOR.
  • THE “MATRIX” MECHANICAL MULTI-PLATE CLUTCH IN THE HEADSTOCK PROVIDES FORWARD-NEUTRAL-REVERSE CONTROL.
  • THE VS MODELS ARE EQUIPPED WITH YASKAWA VARISPEED-616G3 (7.5KW) HIGH-PERFORMANCE, LOW-NOISE, GENERAL-PURPOSE INVERTERS OR EQUIVALENT.

Specifications

COBRA MODELS
13 x 40
14 x 40
15 x 50
18/20/22″
Center Height
6 1/2″
7″
7 1/2″
9″ / 10″/ 11″
Swing over bed
13″
14 1/2″
15 1/4″
18″ / 20″ / 22″
Swing over cross slide
7 1/2″
8 5/8″
9 1/2″
11.5″/13.5″/15.5″
Swing in gap
19 1/2″
22″
24″
28″/30″/32″
Bed length between centers
40″
40″
50″
60″bed 80″bed
100″bed 120″bed
Gap width in front of faceplate
6″
6″
6″
9″
Spindle nose (camlock)
D-1-4
D-1-5
D-1-6
D-1-8
Headstock spidle bore
1 3/8″
1 5/8″
2 1/8″
3 1/8″
Headstock spidle bore taper
#4MT
#5MT
#6MT
#7MT
Number of Spindle speeds
8
8
16
16
16 Optional
16 Optional
Range of spindle speeds RPM
105-2000
70-2000
25-2000
22-1700 RPM
Optional RPM
53-2000
35-2000
Varispeed RPM (gear steps)
(2) 32-2500
RPM
(2) 20-2500 RPM
(2 or 4) 18-2000 RPM
(2 or 4) 16-1800 RPM
Width of bed
7 1/2″
10″
11″
13″
Length of bed
65″
71 1/2″
86 1/2″
60″bed (105″) 80″bed (125″)
100″bed (145″) 120″bed (165″)
Cross slide travel
7 1/2″
8 1/4″
9 1/4″
10 1/2″”
Compound travel
3 1/2″
3 3/4″
4 3/4″
5 1/4″
Tailstock spindle travel
4 3/8″
5 3/4″
6 1/8″
7″
Tailstock quill taper
#3MT
#3MT
#4MT
#5MT
Tailstock quill diameter
1 9/16″
2″
2 5/16″
3″
No. of English Threads
32 (inch)
36 optional
36
45
45
Range of English Threads T.P.I.
4-56 T.P.I.
4-72 T.P.I.
4-72 T.P.I.
2-72 T.PI.
2-72 T.P.I.
No. of Metric Threads
14 (mm)
31 Optional
27
39
39
Range of Metric Threads
0.45-7.0mm
0.4-7mm
0.2-14mm
0.2-14mm
No. of Diametral Pitch Threads
21 – Optional
21
21
21
Range of DP Threads
8-44 D.P.
(optional)
8-44 D.P.
8-44 D.P.
8-44 D.P.
No. of Module Pitch Threads
18 – Optional
18
18
18
Range of Module Pitch Threads
0.3-3.5mm Optional
0.3-3.5mm
0.3-3.5mm
0.3-3.5mm
Longitudinal Feeds
0.0015-0.01 in/rev.
0.02-0.520mm/rev. (Optional)
0.0012-0.016 in/rev.
0.0015-0.04 in/rev.
0.0015-0.04 in/rev.
Cross Feeds
0.0005-0.0035 in/rev.
0.006-0.170 in/rev.
(Optional)
0.0004-0.0053 in/rev.
0.00075-0.02 in/rev.
0.0008-0.02 in/rev.
Main Motor
3 HP
3 / 1.5 HP (Optional 2 Speeds)
5 HP
5 / 5 HP (Optional 2 Speeds)
7 1/2 HP
10 HP or 12.5 HP
HP – Varispeed
2
3
5
7.5
Packing Sizes:
Length
76″
84″
99″
60″bed (120″) 80″bed (140″)
100″bed (160″) 120″bed (180″)
Width
30″
36″
42″
44″
Height
58″
60″
63″
70″
Net Weight (lbs)
1474
1980
2860
18″ 4400,5060,6160,7260
20″ 4840,5500,6600,7700
22″ 5280,5940,7040,8140
Gross Weight (lbs)
1800
2420
3300
18″ 5060,5830, 7040, 8360
20″ 5500,6270, 7480, 8800
22″ 5940,6710, 7920, 9240

Optional Accessories

“Bison” 3-jaw lathe chuck
“Bison” 4-jaw lathe chuck
Chuck Guard
Worklights
Faceplate
Steady Rest
Follow Rest
Micrometer Bed Stop
Taper Turning Attachment
Quick change toolpost w/4 holders
“Royal” 5C lever collet attachment
5C collet set 1/16 -1 1/16 x 64ths
5C collet set 1/16 -1 1/16 x 32nds
5C collet set 1/16 -1 1/16 x 16ths
Universal Gearbox
2 Speed Motor
Main Spindle Clutch
Optional 12HP Motor
Increase in pricing for Variable Speed on the 18″, 20″, 22″ (Must be factory installed)
2 Axis Digital Readouts
Acu-Rite DRO 200T
Newall Topaz