CGDZ40U-20D-MHT2-50D SMC Combined Cylinder

This model is an integrated assembly unit consisting of SMC standard CG1Z series guided cylinder + MHT2 toggle heavy-duty air gripper, split into two parts: CGDZ40U-20D (linear telescopic cylinder) and MHT2-50D (end clamping gripper)

1. Segment-by-Segment Model Definition of CGDZ40U-20D Guided Cylinder

Ripartizione del modello: CG D Z 40 U – 20 D

1. CG: SMC CG1 series standard tie rod round cylinder (general-purpose standard cylinder)
2. D: Built-in piston magnet ring; magnetic switches can be fitted for position detection
3. Z: Four-sided magnetic switch mounting grooves (upgraded universal Z series with switch installation on four sides)
4. 40: Cylinder bore size 40 mm
5. U: Mounting style – integrated U-shaped foot base (direct floor mounting)
6. 20: Effective cylinder stroke 20 mm
7. D: Double-acting cylinder (extend by air supply, retract by air supply, bidirectional power output)

Core Specifications of CGDZ40U-20D

Bore: 40 mm | Stroke: 20 mm

Operazione: Double-acting, standard rubber bumper cushion

Operating pressure: 0.05~1.0 MPa, proof pressure 1.5 MPa

Port thread: RC1/4

Temperatura operativa: -10~70℃ (without switches) / 5~60℃ (with magnetic switches)

Rod end: Standard internal thread, directly connectable to MHT2 gripper flange

1. MHT2-50D Toggle Heavy-Duty Air Gripper (End Clamping Unit)

Ripartizione del modello: MHT2 – 50 D

1. MHT2: SMC 2nd-generation toggle hinge opening/closing pneumatic finger (heavy-duty self-locking clamping)
2. 50: Gripper bore size 50 mm
3. D: Double-acting gripper (open jaws with air supply, close jaws with air supply)

Key Performance Parameters of MHT2-50D

III. Funzione & Application Scenarios of the Complete Unit

1. Operating Logic
2. The CGDZ40U-20D cylinder extends 20 mm to push the MHT2 gripper to the material pick-up position
3. MHT2-50D closes jaws to clamp the workpiece with self-locking against falling when air supply fails
4. The cylinder retracts 20 mm to complete material transfer, then jaws open to release the workpiece
5. Applicable Industries

– Machine tool loading/unloading, heavy hardware workpiece handling, stamping material pick-and-place, heavy-load clamping on automated production lines

– Ideal for workstations requiring safe clamping performance (workpiece stays clamped during power or air loss)

1. Appalti & Model Selection Notes
2. Magnetic Switches: M9B/M9BL and other switches can be installed on both cylinder assemblies, marked with suffix M9BW on the model number
3. Cushioning: CGDZ comes standard with rubber bumper cushions; replace with CGDZ40U-20Z if air cushioning is required
4. Alternative Model References

Cylinder Replacement: CDG1ZA40-20U (legacy CG1A series with identical dimensions)

Gripper Replacement: MHT2-50DZ (upgraded version with magnet ring grooves, most widely used in market)

4. Installazione: CGU base can be fixed directly to the frame; MHT2 end flange threads mate with the cylinder piston rod without adapter plates
5. Quick Troubleshooting Table

Full Application Scenarios for CGDZ40U-20D + MHT2-50D Assembly Unit

Core characteristics of this mechanism: CGDZ40U-20D short-stroke push cylinder with 40 mm bore and 20 corsa mm (U-foot floor mounting) + MHT2-50D heavy-duty self-locking toggle gripper. Two major advantages: precise short-distance feeding, heavy-load clamping plus mechanical self-locking to avoid workpiece drop during air loss. It is mainly used for safe heavy-duty pick-and-place, short-stroke material feeding/unloading, fixture positioning and clamping, categorized into six industry segments as below:

1. Automotive Component Manufacturing (Most Widely Applied)
2. CNC Machining Loading & Unloading Station

Grabs transmission housings, steering knuckles, flanges, aluminum die castings (single weight 3–12 kg). The cylinder extends 20 mm forward into the machine to pick blanks or finished parts, then retracts to transfer workpieces to the material table. Toggle self-locking prevents parts from falling and damaging equipment, suitable for humid environments with cutting fluid.

2. Stamping & Forging Line Material Handling

Short-stroke feeding beside stamping dies for steel plates and forged blanks. IL 20 mm stroke perfectly fits narrow die opening gaps. Toggle self-locking eliminates part loosening under severe stamping vibration.

3. Chassis & Motor Press-Fit Fixtures

The cylinder pushes the gripper to clamp bearings and motor housings for pre-positioning press fitting. High clamping torque avoids slipping during assembly.

4. New Energy Battery PACK Production Lines

Handles heavy aluminum battery modules and battery pack housings. Short-stroke feeding into inspection fixtures with zero workpiece drop during power or air cut-off to prevent cell collision damage.

1. General Machining & Hardware Automation
2. Side-mounted Automatic Feeding Mechanism for Lathes & Machining Centers

CGDZ cylinder with U-base installed on machine side extends 20 mm to grab bar stock, valve bodies and pump housings for delivery to chucks. Low-cost single-machine automation without large robotic arms.

2. Bloccaggio & Transfer for Grinding & Deburring Stations

Clamps cast iron and stainless steel workpieces and feeds them to grinding wheel/milling stations, maintaining stable clamping under grinding impact force.

3. Fixture Positioning & Clamping Mechanism

Mounted stationary on frames instead of for transfer. The cylinder extends to grip workpieces for drilling, tapping and dimensional inspection, replacing complex dedicated clamping fixtures.

III. 3C & Home Appliance Metal Part Production Lines

1. Large Sheet Metal Handling

Moves refrigerator/washing machine metal shells and air conditioner compressor housings for short-stroke transfer between film coating, bending and inspection stations. Rigid jaw fingers fit high-hardness metal components.

2. Die Cast Aluminum Housing Unloading

Short-stroke ejection beside die casting machines for radiators and motor housings, fast transfer to cooling bins.

1. Magazzinaggio & Heavy-Duty Packaging Lines
2. Metal Material Bin & Iron Turnover Box Transfer

Picks heavy bins full of metal parts with 20 mm horizontal stroke between stations. MHT2-50D’s high clamping torque accommodates loaded heavy containers.

2. Auxiliary Stacking for Heavy Cartons & Metal Packaging Cases

Side-mounted push-clamp fixtures on production lines to secure boxes for sealing and strapping processes.

1. Saldatura & Sheet Metal Automation Stations
2. Spot/Arc Welding Fixture Clamping & Posizionamento

Cylinder pushes gripper to lock vehicle frames and sheet metal weldments and holds position throughout welding. Self-locking prevents workpiece release during unexpected air loss, avoiding welding offset and splash hazards.

2. Short-stroke Feeding for Laser Cutting Loading/Unloading

Compact side feeder for cutting platforms, pushing steel plates a short distance into cutting zones.

1. Dedicated Inspection & Assembly Fixture Scenarios
2. Air Tightness & Dimensional Inspection Stations

Cylinder extends to feed workpieces into inspection jigs, secured by grippers for pressure testing and vision dimensional measurement. Retracts to unload after testing with zero displacement during full process.

2. Pre-Assembly of Bearings & Gears

Short-stroke delivery of components to assembly positions. Powerful clamping guarantees coaxiality for press-fitting and riveting processes.

Unsuitable Application Scenarios (Model Selection Pitfalls to Avoid)

1. Long-distance transfer requiring stroke over 50 mm: CGDZ only has 20 corsa mm; switch to MGG/MGP guided cylinders for long travel.
2. Thin plastic, glass or easily damaged workpieces: MHT2 delivers extremely high clamping force; replace with slim parallel grippers MHZ2/MHF2.
3. Precision small parts in clean semiconductor workshops: Toggle mechanisms carry risk of lubricant volatilization; clean-series pneumatic fingers are preferred.
4. Long-term vertical overhead suspension: Though self-locking, mechanical limit stoppers are recommended for prolonged vertical heavy-load holding.

Core Selection Logic (Why This Unit Fits Above Scenarios)

1. CGDZ40U-20D: 40 mm bore provides sufficient thrust; U-shaped base mounts directly to frames without extra brackets. 20 mm short stroke fits narrow confined machine spaces. Four-sided magnet grooves allow switch installation to detect full extension and retraction signals.
2. MHT2-50D: Ultra-high clamping torque of 63 N·m at 0.5 MPa with mechanical dead-point self-locking to retain workpieces during air failure, meeting strict safety standards for machine tools, stamping and welding. Wide jaw opening angle accommodates metal workpieces of various sizes.