Produtos

TWH TWM series Stopper Cylinder

Complies with JIS standards;
Features a thickened piston rod, effectively enhancing the cylinder’s impact resistance;
Heavy-duty stopper cylinders are equipped with hydraulic shock absorbers (fixed or adjustable) to reliably absorb impact energy;
Lever-type roller stopper cylinders feature a self-locking mechanism to prevent the rocker arm from rebounding and pushing back against the stopped object;
A wide range of stopper cylinder series and specifications is available for customer selection.

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TWH TWM series Stopper Cylinder—also known as lever-roller type stopper cylinders—are designed specifically to withstand high impact forces and are intended for use on heavy-duty assembly lines.

Operating Principle
A pneumatic cylinder lifts, causing the rocker arm to pivot upward and the roller to protrude, thereby blocking the moving workpiece pallet; when air pressure is applied to retract the arm, the workpiece is released.
Supports two operating modes: double-acting and single-acting (with automatic spring-assisted extension).

Lever-type roller blocking mechanism.

Equipped with a self-locking mechanism to prevent the rocker arm from rebounding and pushing back against the obstructed object.

Thickened piston rod.

Heavy-duty stopper cylinders equipped with hydraulic shock absorbers—or adjustable hydraulic shock absorbers—reliably absorb impact energy.

The unit features built-in sensor mounting grooves, facilitating the installation of magnetic switches.

Especificações Técnicas

Series		TWH							TWM
Bore diameter (inner diameter mm)		20	25	32	40	50	63	80	50
Action Type		Double-acting type, single-acting pilot-operated type
Meio de trabalho		Ar (filtrado por uma tela de malha de 40 µm)
Faixa de pressão de operação	Tipo de dupla ação	0.15~1.0Mpa(23~145psi)
	Single-acting push-type	φ20：0.25~1.0Mpa(35~145psi) Other：0.2~1.0Mpa(28~145psi)
Resistência à pressão garantida		1.5Mpa（215psi)
Temperatura de operação		-20°C~70°C
Travel tolerance range		+1.0
Cushioning type		Anti-collision pad
lubricating		No
Installation Method		Flanged type
Blocking method		Lever-type roller (non-adjustable shock absorber)		Lever-actuated roller type (adjustable shock absorber)
Connection port size		M5*0,8		PT1/8			PT1/4		PT1/8
Proximity sensor thread profile		M5*0.5				M8*1.0