Adjustable Roller Arm Replacement Relay and Control Precision Oil Tight Limit Switches RCL-302/3
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Product Information
Specification
Also Known As :A "roller arm" typically refers to a component in a mechanical system that includes a roller at one end. This term is often used in the context of an engine's valve train, where the term "roller rocker arm" is more commonly used.
About :
A roller rocker arm is a more advanced type of rocker arm that uses a roller bearing at the point where it contacts the valve stem or the pushrod. This design reduces friction compared to a flat tappet design and can improve engine performance and efficiency. The roller at the valve end rolls over the valve stem tip, while the other end is typically actuated by a pushrod (in a pushrod engine) or directly by the cam in an overhead cam setup.
Common Applications: :
• As previously mentioned, in automotive applications, an adjustable roller rocker arm is used in the valve train of an engine. These components can be adjusted to set the correct valve lash, which is crucial for the engine's performance and longevity. Aftermarket adjustable roller rocker arms are popular for performance tuning.
• In various types of equipment, an adjustable roller arm might be part of a sensor assembly, a limit switch, a conveyor adjustment mechanism, or tensioning systems. The roller could be used to maintain contact with another component, and the adjustable nature allows for accommodating different sizes of materials or for calibrating the machine's operation.
Standards:
• Ensure the replacement is compatible with the machine, both in size and function.
• Choose a material that is durable enough for the intended use, especially if it will be subject to high stress or environmental exposure.
• Check that the adjustment range is sufficient for your needs.
• High-quality components may cost more initially but can offer better performance and longer life.
Construction :
• The switch housing is designed to prevent the ingress of oil, which is important in environments like automotive plants or machine shops where they might be splashed or sprayed with lubricants.
• These switches are built to provide precise actuation points. This means that the switch activates reliably at specific positions or movements.
• Made with robust materials that resist wear and tear, these switches can withstand harsh industrial environments and repeated use.
• These switches are rated for specific electrical loads, and it’s crucial to select a switch that can handle the current and voltage requirements of the circuit it will be used in.
Specification :
| Width | 0.75 in |
| Height | ADJ in |
| Weight | 0.1 |
| Length | 4 in |
| Type | Replacement Adjustable Roller Arm |
| Color | Silver |
| Manufacturers Part Number | RCL-302/3 |
| Brand | Relay and Control |
Features :
• UL Listed. File E 100480
• Wide choice of heads and actuators.
• Captive cover screws
• Dustproof, Oil Tight, Water Resistant
• Silver/Gold alloy contacts, double contact design.
• Stainless steel essentials.
• Standard size & dimensions, ½" conduit entry
• Temp. range +5° F to +175° F (-15° C to +80° C)
• Hi-Pot Voltage -2200VA/minute
• Insulation Resistance -100 MΩ on 500VDC.
• Contact Arrangement -2 Circuits: 1 NO, 1 NC
• Max. Operating Freq.120 mech. operations/minute. 30 elect. Operations/minute.
• Life Test- Mech: Ten Million Operations. Elect: 750,000 Operations @10 Amp/240V AC
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