Toolroom Lathe CTS-27EVS
  • Special features
  • Specification
  • Operation manual
  • Optional

    Toolroom Lathe CTS-27EVS
  • Fully enclosed preloaded angular contact ball bearing headstock with splash shield for spindle
  • Fast lever collet chucking with a single movement.
  • Specially designed bed ways are made of hardened and ground alloy tool steel that resist wear. The angular guide ways allow chips to fall in the oil pan.
  • The spindle is mounted in high precision preloaded angular contact ball bearings eliminating radial and end play.
  • The double tools cross slide is held securely to the bed by a mating dovetail section and may be locked in any position on the bed.
  • The preloaded ball bearing turret head eliminates all play between the turret head and the turret slide.
  • The sliding ball bearing collet tray provides space for one set of collets and is within easy reach of operator.
  • High / Low speed quick change level for Convenience.

Toolroom Lathe CTS-27EVS

"Old School" Design for 2008
This is an automated lathe made on special request for a customer by combining CTS-27EVS with hydraulic actuators.
CTS-27EVS has double tool cross slide and 6-station turret for high production use.
The hydraulics are used to actuate the turret indexing motion, tool feed as well as cross slide motions.
The sequence of motions performed is regulated by a cam/micoprocessor.
Easy to set up. Easy to maintain.


Expanding Collet Vacuum Chuck Hydraulic Chuck Chuck Back Plate 6" 3-jaw Chuck
Lathe Dog Face Plate Pneumatic Chuck Precision Diaphragm
Step Chuck

Straight and Taper Turning
Slide for Double
Tool Cross Slide
Quick Change
Adjustable Tool Holder
Quick Acting
Recessing Tool
Knee Tool Slide Tool Boring Tool Holder
Centering and
Facing Tool
Releasing Tap Holder Tool Holder Extension Adjustable Rotary
Adjustable Tool
Releasing Tap Holder

Spindle Capacity With Chuck 150 mm (6")
With Expanding Collets 76 mm (3")
With Round 5C Collets 27 mm (1-1/16")
With Hexagon 5C Collets 22 mm (7/8")
With Square 5C Collets 19 mm (3/4")
With Step Chucks 27 ~ 152mm (1-1/16-6")
Spindle Nose Diameter Ø55.5 mm (Ø2.189")
Spindle Nose I.D/O.D 5C (10°) / 4° Tapern
Spindle Speeds (Variable) 50-4000 R.P.M.
Inverter Spindle Motor 3 HP
Hole Through Spindle 31.75mm (1-1/4")
Bar stock diameter (5C collet) Ø27 mm (Ø1-1/16")
Swing Over Bed 229 mm (9")
Cross Slide Travel 95 mm (3.74")
Compound Slide Travel X: 114 mm (4.488") / Y: 140 mm (5.512")
Tailstock spindle diameter Ø34.5 mm (1.358")
Tailstock spindle taper MT. #2
Tailstock spindle travel 95 mm (3-3/4")
Coolant Pump 1/8HP, 220V, 3PH
Main motor 3 HP, 220V, 3PH
Net/Gross weight 990/1,364 lb. (450 / 620 kg.)
Machine packing dimension 1,910 × 850 × 1,790 mm (74" × 34" × 74")
All dimensions, specifications and machine appearance are subject to change without prior notice.

This manual is an introduction to the CYCLEMATIC model CTS-27EVS SECOND OPERATION MACHINE . If you thoroughly read, will get valuable information in the installation, operation and servicing of the CTS-27EVS CYCLEMATIC MACHINES.

The manual can be used for reference, because it is necessary to make minor adjustment for maintenance personnel and operators that have dealings with the model CTS-27EVS machine.

The model CTS-27EVS machines is built of extreme ease and safety of operation, the finest manufacturing and used high quality materials with the proper care and use, you are ensured trouble-free, accurate and economical operations for the life of the machines.

Figure 1-Lifting Machine

When lifting the rope or cable should be arranged as shown figure 1. and checking to see whether the correct balance is obtained. Then insert pads of soft cloth between rope and machine edges.

The net weight of this machine approximate 450 kgs (990lbs). So, the rope or cable to be used for the work should be strong enough to withstand a weight of 1000 kgs (2200lbs).


An inspection to find some damaged portion which might have been caused by shock during the transportion, all surfaces of exposed machined are coated with a antirust liquid. Before moving turret and cross-slide, leadscrew, rack……etc, these surface should be thoroughly cleaned down the antirust liquid by soft brush and solvent. This is very important since it prevents any dirt and grit which may have accumulated on the antirust liquid from working under the sliding members and causing undue wear.



It is very important to obtain machine's accuracy that foundation and installation of machine are need. For the reason, a perfect foundation with proper thickness and pressure-enduring space must be provided. (In general case, a thickness of 30mm (12") is considered to be enough). The machine has six adjustable feet at the corner of the pedestal for leveling machine, it is necessary to use shims under pedestal feet. When adjust foot loosen set screw, then raiser or lower foot with a pin wrench so that all six feet rest on the floor. Tighten set screw to setting.


Turn cam switch A (Figure 2) to "OFF" position, and loosen screw "B" (Figure 2), open the switch case cover connect your supply power source lines and ground connection to "C" (Figure 3). Secure switch case cover, turn cam switch "A" (Figure 2) to "ON" position.

Figure 2-Cam Switch   Figure 3-Electric Switch Case

Place lever "D" (Figure 4), on lower position, pull out lock pin "E" (Figure 4) and push "START" button "C" (Figure 5), place lever "G" (Figure 4) on forward position. Spindle should rotate counterclockwise when viewed from turret end. If the spindle does not turn in the correct direction, push "STOP" BUTTON "H" (Figure 5) to stop machine, then, turn off the main power and interchange any two lead lines. This is to prevent changed speed motor from run in reverse at beginning.


Figure 4-Control Speed and Direction   Figure 5-Switch Case Controls

Special care on lubrication should be taken to maintain the life and performance of the machine for a long period. For the reason, must used a high quality or equal oil, and checked periodically to assure there are filled to the proper lever on the oil gage, the method as below :


Must lubricate turret daily, use Mobil Velocite Oil No.6 or equal oil. To lubricate at oil cap "C" (Figure 6) into the turret head, turret slide ways, index pin and roller bearings.
Figure 6-Turret Lubrication and Adjustment

To change spindle speed, first, start spindle and release "H" (Figure 7), then turn the cam switch lever "S" (Figure 7) to the "FORWARDD" or "REVERSE" position, and push lever "D" (Figure 8) to the "LOW" or "HIGH" position then push lever "G" (Figure 8) to the start position, turn "F" (Figure 7) to increase speed.


Figure 7-Spindle Control Box
Figure 8-Control Speed and Directi

The headstock spindle is mounted on precision preloaded ball bearings, the bearing are grease-packed for life and require no further lubrication.


Inverter unit "A" is used to perform dynamic braking. In addition, discharge resistor "B" shortens braking time (Figure 9).
Figure 9-Electric Switch Case

For allow belts to equalize their tension, must check belt tension. To tighten belts, first, loosen nut "N" (Figure 10) then turn screw "O" (Figure 10) to lower motor plate and to tighten belts equalize their tension.
Figure 10-Belt Adjustment

The collet closer in place without using collet when running the machine, that may damage the collet closer. So must remove the collet closer when using jaw chucks, face plates, fixture plates or other nose type fixtures.

When cleaning the machine need to remove the collet closer for prevent leading of chips between collet tube, and inside of spindle at rear end and collet threads. The methods of removal is described below :

  1. First, pulling up and out link pin "L" (Figure 11) which is easy to pull out and up with fingers.
  2. Remove the collet closer as shown figure 13. Pull straight out end of spindle. Do not turn adjusting nut "N" (Figure 13), it is keyway to spindle. And do not remove collet closer by removing screw "S" (Figure 12) because these screws are adjusted at the manufacturer for proper operation of collet closer.

Figure 11-Collet Closer Removal Figure 12-Collet Closer Adjustment Figure 13-Collet Closer Removal

Replace the collet closer first, must clean inside of the headstock spindle and outside diameter at rear of spindle where located adjusting nut "N" (Figure 14), apply a film of light oil on there. Do not force adjusting nut "N" (Figure 14) on spindle. If adjustment nut "N" (Figure 14) goes on tight, remove and check for burrs or scratches, then clean collet closer tube inside and outside apply a film of light oil on slip surface "T" (see figure 15) of the collet closer tube, replace collet closer and insert link pin "L" (figure 15).

Figure 14-Collet Closer Removal   Figure 15-Collet Closer Removal

  1. Before using the collet or step chuck and closer to the spindle, collet or step chuck and spindle should be clean.
  2. Push in lock pin "E" (Figure 16). To engage lock pin, turn spindle by hand till lock pin enter notch to lock.
  3. Closer adjusting finger "F" (Figure 17) by pressing down at point "P" (Figure 17).
  4. Place collet closer tube on collet or step chuck until engaged. To turn the collet closer tube and turn the shell guard "G" (Figure 17) forward with operator's left hand while holding the collect or step chuck on place with operator's right hand.
  5. Place a work piece in collet or step chuck.
  6. Place lever "L" (Figure 17) to the extreme left or closed position. Turn shell guard "G" toward operator until the collet touch the piece.
  7. Place lever "L" (Figure 17) to the right (released) position. And turn shell guard "G" (Figure 17) toward operator, move the adjusting finger "F" (Figure 17) advances two notches on the adjusting nut "N" (Figure 18) and close adjusting finger "F" (Figure 17).
  8. Test collet closer for tension on work piece. If the gripping pressure required additional, open adjusting finger "F" (Figure 17) and turn shell guard "G" (Figure 17) toward operator. The gripping pressure require less, turn shell guard "G" (Figure 17) away operator. (see figure 17).
Figure 16-Control Speed and Direction Figure 17-Collet Closer Adjustment Figure 18-Collet Closer Removal

The six-station turret mounted on preloads ball bearing, can eliminates all play between the turret head and turret slide. The turret suit any operations such as, drilling, reaming, counterboring, threading, turning, boring…etc. The turret head is automatically unlocked and indexed to the next station, and locked by operation of feed lever "L" (Figure 19), the turret head has six 5/8" diameter standard tooling shanks.

Turret slide travel is adjusted by stop screw "H" (Figure 20) one for each turret station. To limit travel for each turret station, loosen set screw "S" (Figure 20) and turn stop screw "H" (Figure 20) to required stop location.

Figure 19-Turret Feed Operate
Figure 20-Turret Lubrication and Adjustment
The turret can be located at any location on the bed. First, loosen clamp screw "L" (Figure 21), then move turret assembly to required location, the bed has locate notches, so the turret assembly must clamp into notch to prevent turret end movement.

The turret feed lever "L" (Figure 19) can adjusted for height and length to suit operator's "FEEL". Loosen clamp screw "D" (Figure 20), to move lever "L" (Figure 19) in the central neutral The turret head can than be hand swiveled past stations which are not tooled. To hold turret on one station, for repeat single operation work remove set screw "E" (Figure 20) and spring. Replace set screw, store for replacement when indexing is again required.

Figure 21-Turret Located

The double tool cross slide can be locked at any location on the bed. To relocate cross slide, first loosen clamp screw "S" (Figure 22), then move cross slide to required location on bed and relock clamp screw "S" (Figure 22).

Loosen eccentric lock axles "E" (Figure 23), to change location of tool posts on cross slide. Move tool post along T-slot and tighten eccentric lock axles "E" (Figure 23), to relocate tool block in T-slot of tool post base loosen nut "N" (Figure 23).

Tool holder blocks take standard 3/8" scuare tool bits, to adjust tool bits to spindle centerline, loosen clamp screw "C" (Figure 22) and turn adjusting screw "A" (Figure 22) to raise or lower cutting tool.

The lever feed handle "L" (Figure 23) can be adjusted to a more convenient operating position, loosen nut "M" (Figure 23) and tap shaft at same end with plastic hammer to loosen taper lock, hole handle required position and tighten nut "M".

The cross slide travel is limited by adjustable stop screws "O" (Figure 23). To limit travel, loosen lock screw "P" (Figure 23) and turn screw "O" (Figure 23) to required stop location.

Figure 22-Double Tool Cross Slide Locked

Figure 23-Double Cross Slide Adjustment
Remove screw "E" (Figure 23) AND "Q" (Figure 23) move top slide toward operator with lever feed handle to full gear travel. Loosen nut "M" (Figure 23) and tap shaft at same end with plastic hammer to loosen taper lock of handle, Pull top slide off bottom slide, then clean top and bottom slide. Grease gear and lubricate mating dovetail slides with Vactra Oil No.2. To grease lever feed shaft needle bearings, remove nut and washer "M" (Figure 23), and tap shaft at same end with plastic hammer to loosen taper lock. Remove shaft and bearing liner to grease bearings.


The machine is provided with coolant facilities required for high speed work. (Figure 25) The coolant pump is controlled by switch "G" (Figure 24) turn to "ON" position, pump will run continuously. Turn to "AUTO" position, pump will run only when machine is running. If pump switch is set at "OFF" position, THE COOLANT PUMP IS OFF.
Use screen cover to prevent fine chips or powder from falling into sump when cutting on cast iron or other powdery material without coolant.
Figure 24-SwitchCase Controls   Figure 25-Coolant Facilities

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1-3 T-203-5B 8-1 TH-42 21-1 CTS-27-08
1-3 T-203-6B 8-1 TH-43 21-2 CTS-27-10
2-1 T-SS-1 8-2 TH-44 21-3 CTS-27-11
2-1 T-ES-1 8-2 TH-45 21-4 CTS-27-09
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