Description

INGCO S-RH-ARR-RH10201, Axle Retainer Ring(S-RH-ARR-RH10201)

product details:

Internal retainer rings, also known as circlips or snap rings, are a type of fastener commonly used in various mechanical applications, including the chuck assembly of rotary hammer drills. Here’s a more detailed breakdown of their characteristics:

Design:

• C-Shaped Profile: Internal retainer rings typically have a C-shaped profile with open ends. This allows them to be snapped into a designated groove machined on a shaft or axle.
• Material: These rings are usually made from high-strength spring steel to ensure they can withstand the forces exerted during operation and maintain their shape over time.
• Size Specification: Internal retainer rings are sized according to their diameter and thickness. The diameter refers to the opening between the two open ends of the “C” shape, and it needs to fit snugly within the groove on the shaft. Thickness determines the ring’s material strength and its capacity to handle loads.

Function in Rotary Hammers:

Within the chuck mechanism of a rotary hammer drill, an internal retainer ring serves two critical purposes:

• Securing the Axle: The primary function is to secure the rotating axle in place. The ring snaps into the groove on the axle, preventing it from moving axially (back and forth) within the chuck housing. This ensures proper positioning and alignment of the axle for smooth rotation of the drill bit during drilling operations.
• Retention of Bearings (in some models): In some rotary hammer designs, the internal retainer ring might also play a role in retaining bearings positioned around the axle. These bearings facilitate smooth rotation and minimize friction between the axle and surrounding components.

Benefits of Using Internal Retainer Rings:

• Simple and Secure Installation: The C-shaped design allows for easy snapping into the designated groove, providing a secure fastening mechanism.
• Space-Saving Design: Their compact size makes them suitable for applications with limited space constraints, like the chuck assembly in a rotary hammer.
• Cost-Effective: Internal retainer rings are a relatively inexpensive component, making them an efficient choice for manufacturers.