Co-Axial Drives - Pneuma-Hydraulic

FEATURES

  • Co-Axial Drives (UCC) consist of two integral elements; a pneumatic drive unit to provide power and an integrated, closed circuit hydraulic drive to provide accurate speed control.
  • UCC Drives are used extensively in the field of automation, where traditionally, hydraulic, mechanical or electrical drives would have been used for the control of linear movement and positioning.
  • Accurate positioning and speed control is ensured by a closed hydraulic circuit within a coaxial tube. Although power is provided by compressed air speed and positional accuracy are unaffected by the compressibility of the air. UCC Drives offer a clean, environmentally friendly, pollution free solution.
  • Control is simple, with only two compressed air connections to power operate the unit. Options also include positional feedback for PLC interfacing. UCC Drives are compact and easy to install, and are also relatively simple to maintain. By reducing the number of components and simplifying the complexity of the system we have increased the level of overall reliability. All UCC Drives are 100 % tested.
  • UCC Drives are designed in accordance with ISO standards making standardization and interchange ability with pre-existing systems simple. Ordering is also made simple using a single code which is dedicated to the particular User.
  • UCC Drives are not just a component but a complete control solution.
Type  Coaxial cylinder unit
Bore (mm)  50 / 63 / 80 / 100 / 125 / 160 / 200
Mounting  In accordance to ISO 6431
Stroke 1 metre (max)
Operating pressure 1 - 10 bar
Outer chamber fluid Filtered 50μ. Use with or without lubrication
Operating temperature Max + 80° Min -10° (according to fluid used)
Speed 40 - 6000 mm/min

 

OPERATIONAL SCHEMATIC

Function:
UCC series cylinders are designed around a co-axial hydraulic tube. The outer chamber houses the pneumatic cylinder, which provides the operating force. The central chamber houses the hydraulic piston, which enables stop & skip functions and precision speed control.

The hydraulic inner chamber remains static & provides fluid connection across the hydraulic piston via the control valves. The combination offers a streamlined, high-tech solution, which is ideal for speed control and positioning systems.

SPEED CONTROL OPTIONS

Fast Speed  (SKIP N.O.)
Stop Normally Open  (STOP N.O.)
Stop Normally Closed  (STOP N.C.)
Slow Forward (outward regulation only) (ON-BOARD CONTROL)
Slow Reverse (inward regulation only) (ON-BOARD CONTROL)
Slow Forward and Reverse (REMOTE CONTROL)

 

TECHNICAL INFORMATION

FORCE TABLE (N)

Bore (mm) Piston rod (mm) Working surface (cm2) Working pressure in bar
1 2 3 4 5 6 7 8 9 10
50 25 Thrust 18.5 181.3 362.7 544.0 725.4 906.7 1088.0 1269.4 1450.7 1632.1 1813.4
Traction 14.7 144.3 288.6 433.0 577.3 721.6 865.9 1010.2 1154.5 1298.9 1443.2
63 35 Thrust 30.0 294.4 588.8 883.2 1177.6 1472.0 1766.4 2060.8 2355.5 2649.7 2944.1
Traction 21.6 211.6 422.4 633.6 844.8 1056.0 1267.2 1478.4 1689.6 1900.8 2112.0
80 35 Thrust 49.1 481.5 963.0 1444.6 1926.1 2407.6 2889.1 3370.6 3852.1 4333.7 4815.2
Traction 40.6 398.3 796.6 1194.9 1593.3 1991.6 2389.9 2788.2 3186.5 3584.8 3983.1
80 35 Thrust 49.1 481.5 963.0 1444.6 1926.1 2407.6 2889.1 3370.6 3852.1 4333.7 4815.2
Traction 40.6 398.3 796.6 1194.9 1593.3 1991.6 2389.9 2788.2 3186.5 3584.8 3983.1
100 40 Thrust 76.5 750.0 1500.0 2250.0 2999.9 3749.9 4499.9 5249.9 5999.9 6749.9 7499.9
Traction 66.0 646.5 1293.1 1939.6 2586.2 3232.7 3879.2 4525.8 5172.3 5818.9 6465.4
125 40 Thrust 120.7 1182.9 2365.9 3548.8 4731.7 5914.7 7097.6 8280.6 9463.5 10646.4 11829.4
Traction 110.2 1079.5 2159.0 3238.5 4318.0 5397.5 6476.9 7556.4 8635.9 9715.4 10794.9
160 45 Thrust 199.1 1950.7 3901.4 5852.1 7802.8 9753.5 11704.2 13654.9 15605.6 17556.3 19507.0
Traction 185.2 1814.5 3629.1 5443.6 7258.2 9072.7 10887.3 12701.8 14516.4 16330.9 18145.4

 

CYLINDER CONSUMPTION TABLE (NL per 1ml of stroke)

Bore (mm) Piston rod (mm) Working surface (cm2) Working pressure in bar
1 2 3 4 5 6 7 8 9 10
50 25 Thrust 18.5 0.0370 0.0555 0.0740 0.0925 0.1110 0.1295 0.1480 0.1665 0.1850 0.2035
Traction 14.7 0.0295 0.0442 0.0589 0.0736 0.0884 0.1031 0.1178 0.1325 0.1473 0.1620
63 35 Thrust 30.0 0.0601 0.0901 0.1202 0.1502 0.1802 0.2103 0.2403 0.2704 0.3004 0.3305
Traction 21.6 0.0431 0.0647 0.0862 0.1078 0.1293 0.1509 0.1724 0.1940 0.2155 0.2371
80 35 Thrust 49.1 0.0983 0.1474 0.1965 0.2457 0.2948 0.3439 0.3931 0.4422 0.4913 0.5405
Traction 40.6 0.0813 0.1219 0.1626 0.2032 0.2439 0.2845 0.3252 0.3658 0.4064 0.4471
100 40 Thrust 76.5 0.1531 0.2296 0.3061 0.3826 0.4592 0.5357 0.6122 0.6888 0.7653 0.8418
Traction 66.0 0.1319 0.1979 0.2639 0.3299 0.3958 0.4618 0.5278 0.5938 0.6597 0.7257
125 40 Thrust 120.7 0.2414 0.3621 0.4828 0.6035 0.7242 0.8450 0.9657 1.0864 1.2071 1.3278
Traction 110.2 0.2203 0.3305 0.4406 0.5508 0.6609 0.7711 0.8812 0.9914 1.1015 1.2117
160 40 Thrust 199.1 0.3981 0.5972 0.7962 0.9953 1.1943 1.3934 1.5924 1.7915 1.9905 2.1896
Traction 185.2 0.3703 0.5555 0.7406 0.9258 1.1109 1.2961 1.4813 1.6664 1.8516 2.0367

 

TECHNICAL INFORMATION

Using in-built speed control and stop/skip valves, movement and position can be precisely controlled. The diagram shows how start up (SU) speed and ramp down speed (RD) can be controlled independently.

DIMENSIONAL INFORMATION

Ø (mm) KK AM WH D B VA G E B1 I8 DD
  Thread Dimensions (mm)
50 M16x1,5 32 27 25 40 3 46 65 40 116 M8
63 M16x1,5 32 37 35 50 3 45 75 45 121 M8
80 M20x1,5 40 44 35 50 3 45 95 45 128 M10
100 M20x1,5 40 51 40 55 3 52 110 55 138 M10
125 M27X2 54 65 40 60 6 57 140 60 160 M12
160 M36X2 72 80 45 65 8 57 180 65 180 M16

 

Ø (mm) EE TG Q VD S I2 PL SW
  Port Dimensions (mm)
50 1/4 46,5 16 6 16 13 37 17
63 1/4 56,5 16 8 16 23 35 19
80 1/4 72 19 8 18 30 35 22
100 3/8 89 15 8 23 35 37 22
125 1/2 110 25 6 21 42 39 27
160 3/4 140 27 9 26 50 39 36

 

CONTROL MANIFOLD DIMENSIONS

Accumulator Block dimensions vary according to bore size and depend on the number and dimensions of mounted components. Dimensions of the oil reservoir also depend on cylinder stroke.

Type A B
Small 50 70
Large 70 150

 

C Compensator Ø 40mm for stroke
Cylinder Stroke
From To mm
67 75 0 - 50
76 96 50 - 100
102 131 100 - 200
135 174 200 - 300
163 211 300 - 400
211 283 400 - 600
238 320 600 - 800
310 428 800 - 1000

 

MODULAR CONTROL BLOCK

REGULATION AND CONTROL SYSTEM
Modular control blocks are assembled onto the rear end cap and comprise of various control elements. Depending upon application requirements the modular control block can include in-built or remote speed regulation, stop function elements and skip function elements.

Using the speed regulation elements operational movement can be infinitely controllable and using the skip function element speed regulation can be by-passed allowing full operational speed. Using the stop function element the cylinder can be stopped and hydraulically locked in the desired position. Control can be electrical or pneumatic.

APPLICATION POSSIBILITIES

Feed Cutting Systems
Automated feed cutting systems rely on TecnAir co-axial technology to provide smooth and accurate movement of the cutting mechanism.

Automatic Scalper
Precision movement and positioning is essential in scalper processes. TecnAir co-axial technology also provides fast feed and smooth finishing operations.

Palletisers
TecnAir co-axial technology can used to provide either simple pallet movement or sophisticated pick and place accuracy.

Stone Polishing
UCC pneuma-hydraulic drives are used in the most arduos conditions whilst maintaining precision accuracy.

Autoclaves
Autoclaves require smooth operation of loading door and more importantly a safety lock in the open and closed positions. TecnAir drives can be fitted with a hydraulic lock for security.

Textile Machines
TecnAir drives are used in numerous textile applications including shuttle load and tensioning.

Drilling Machines
Drilling requires fast feed and accurate speed control during the final drilling process. Smooth exit from drilling is essential for a quality finish. TecnAir drives meet all of these requirements.