I. Features:
- Small volume, novel structure and good performance.
- Adopts gear-rack transmission, outputting large and small torques.
- No need for oil supply lubrication, no exhaust pollution.
- Equipped with an angle fine-tuning mechanism, enabling precise angle control.
- Magnetic switches can be installed, and the swing angle range can be adjusted arbitrarily.
- Equipped with an adjustable cushioning mechanism, no impact at the end of the swing stroke.
- Multiple installation forms, easy to install and widely applied.
II. Model
| ① |
Installation Form |
SD,FA,FB |
| ② |
Cylinder Bore |
QGK-2 |
φ20. φ25. φ32. φ40 |
| QGK-1 |
φ63,φ80,φ100,φ125 |
| ③ |
Swing Angle |
90°,180° |
| ④ |
Switch |
code |
model |
| J |
FD-21R |
| H |
FD-19RV |
| A |
SR1 |
| ⑤ |
Number of Switches |
2 for standard products |
| ⑥ |
Output Shaft Form |
T |
Single Shaft |
| T₂ |
Double Shaft |
Note: Switch SR1 is only applicable to small-sized gear-rack swing cylinders with Φ20～Φ40. Switches FD-21R and SR401 are only applicable to medium-sized gear-rack swing cylinders with Φ63～Φ125.
| Item |
Basic Type (QGK-1) |
Basic Type (QGK-1R) |
With Switch Type (QGK-2) |
With Switch Type (QGK-2R) |
| Model |
QGK-1 |
QGK-1R |
QGK-2 |
QGK-2R |
| Cylinder Bore (mm) |
φ63,φ80,φ100,φ125 |
φ20,φ25,φ32,φ40 |
| Working Pressure Range (bar) |
1～7 |
1～10 |
| Proof Pressure (bar) |
10 |
15 |
| Swing Angle (degrees) |
90,180 |
| Adjustment Angle (degrees) |
±5 |
| Rated Torque (N·m) (at 5 bar) |
Φ63:34.3;Φ80:66.6;Φ100:120.5;Φ125:319 |
Φ20:2;Φ25:2.8;Φ32:3.5;Φ40:5.7 |
| Operating Temperature Range (℃) |
-25～+70 (under non-freezing conditions) |
| Cushioning Mechanism |
Adjustable Cushioning on Both Sides |
Adjustable Cushioning on One Side |
| Cushioning Angle (degrees) |
20 |
Φ20,Φ25,Φ32:35;Φ40:32 |
| Lubrication |
{Non-lubricated (Lubricated Optional) |
Note: To avoid impact caused by impact energy exceeding the absorption capacity of the cylinder cushioning device, please use a damper separately to absorb the impact energy.
| Model (with 1.5m flexible cable) |
FD-21R |
FD-19RV |
| Operating Voltage Range (V) |
5～240 DC/AC |
5～240 DC/AC |
| Operating Current Range (mA) |
100(max) |
|
| Maximum Contact Capacity |
10W(max) |
50W(max) |
| Operation Time |
|
|
| Recovery Time |
|
|
Ⅳ. Outline and Installation Dimensions
1.QGK-1 Type Medium-sized Rack and Pinion Oscillating Cylinder
SD (Basic Type)
QGKG-1T (Single Output Shaft Standard Type)
Note: Swing Angle Adjustment Method: For 90° oscillating cylinders, adjust screws ① and ③. For 180° oscillating cylinders, adjust screws ① and ②.
QGK-1RT Single Output Shaft (with Switch Type)
QGK-1T₂ (Double Output Shafts)
- QGK-2 Type Small-sized Rack and Pinion Oscillating Cylinder
Outline Drawing of Single Output Shaft Type Small-sized Rack and Pinion Oscillating Cylinder
Outline Drawing of Double Output Shaft Type Small-sized Rack and Pinion Oscillating Cylinder
Note: In the table, L, L₁, and □N are the installation dimensions for double output shafts.
Dimension Table of Accessories for QGK-2 Type Small-sized Rack and Pinion Oscillating Cylinder
Q: Could you offer the free samples ?
A: Yeah, but it depends products, Pls contact us ina@pneuhydr.com or whatsapp 0086 15168536055
Q: What ' s your business scope ?
A: Our business scope is service of exporter automation parts with full container, and sell air cylinder , air source treatment , solenoid valve , air valve, motorize valve , Brass valve, hydraulic valve, hydraulic cylinder, air and oil fitting, pressure gauge etc .
Q: What types of products you can make ?
A: We can make many kinds of stainless steel, brass ,aluminum materials processing .like high pressure Valve / solenoid valve / electric valve / water valve/pneumatic valve/air cylinder/hydraulic valve/hydraulic accumulator products and so on .
Q: Can the product be made with our logo and brand ?
A: Yes , of course , we can make . we are OEM supplier for years and professional to make . But you need give us the authorization if it is possible .
Q:Can you provide original famous pneumatic and hydraulic,instruments brand goods ?
A: Yes,We can supply like Festo,Smc,Ckd,Burket,Hydac,Rexroth,Siemens,Rosemount,Marsh ,Endress+Hauser etc.
Q: Is there a warranty available?
A: Yes, normally products is one year quality guarantee.
Q: Is the connector in British or Metric system? What is the difference between PT, NPT, and G threads?
A: The G thread is cylindrical and does not seal itself, requiring additional gaskets to prevent leakage. PT and NPT are conical, and the internal and external threads become tighter and tighter when tightened. Sealing is achieved through the deformation of the threads, and sealant or tape is usually used in conjunction to enhance the sealing effect
G-thread is a cylindrical straight pipe used for non sealed connections; PT thread is a conical tube that relies on the deformation and sealing of the thread itself; NPT is also a conical tube with a tooth profile angle of 60 degrees, mainly used in North America
Q: How to convert pressure units: MPa, bar, psi, kg/cm ²?
A: 1MPa=10bar≈145psi≈10kg
Q:What usually causes the burnout of solenoid valve coils?
A:Incorrect voltage and hz, frequent switching, pilot head entering liquid,valve core and spring problem,environment hot,heavy vibration etc.
Q: What should be noted for pneumatic components in high temperature or extremely cold environments?
| Focus Point |
High Temperature Environment Countermeasures |
Extreme Cold Environment Countermeasures |
| Seals |
Fluororubber, PTFE |
Low-temperature nitrile, silicone rubber, polyurethane |
| Lubrication |
High-temperature synthetic grease (low volatility) |
Low-temperature grease (low pour point, low viscosity) |
| Air Supply Treatment |
Strengthen cooling, efficient water removal |
Ultra-low dew point drying (refrigeration + adsorption type), heat tracing |
| Metal Components |
Reserve expansion clearance |
Select materials with low-temperature toughness, prevent leakage due to cold shrinkage |
| Control Components |
High heat-resistant grade coils, heat dissipation, low power consumption |
Install insulation boxes, local heating, prevent cold condensation |
| Installation |
Keep away from heat sources, add heat insulation plates |
Avoid exposure to wind and snow, wrap with thermal insulation materials |
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