Boxin · Hengzhen · Botrust
Precision Manufacturing・Powering the World
MIM
This component is a precision stainless-steel positioning slider/guide‑locking block manufactured via MIM (Metal Injection Molding). It features an integrally formed, symmetrical structure with mounting holes and locating protrusions, offering high precision, high strength, and excellent wear and corrosion resistance. It is primarily used in the guiding mechanisms or locking devices of small machinery and electronic equipment, providing sliding guidance, position‑limiting, and anti‑loosening locking functions, and is well suited to applications involving high‑frequency motion.
- Product Description
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I. Basic Product Information
- Product Name MIM stainless steel precision positioning slider / guide lock block
- Manufacturing process Metal Injection Molding (MIM)
- Material : Stainless steel (customizable alloy steel and other alloy materials)
- Core Use : As sliding guide components in mechanical transmission systems, limiters in locking mechanisms, or positioning sliders within equipment, they are used in automotive parts, power tools, and electronic devices to provide sliding guidance, positioning and limiting, as well as anti-loosening and locking functions.
II. Structure and Process Details
- Appearance and Structural Features
- The assembly features a symmetrical block‑type structure, with locating protrusions on both sides that mate with guide rails or the housing to provide circumferential and axial positioning, thereby preventing the slider from shifting or becoming dislodged.
- The main body features circular mounting holes, enabling direct fastening to the equipment via screws for axial positioning and secure fixation, while also incorporating weight‑reduction holes to lower the component’s self‑weight.
- The structure features a smooth transition, with no sharp corners or stress concentration points, enabling it to withstand impact loads and vibrations during equipment operation and resisting deformation and fracture over long-term use.
- MIM Process Advantages Highlighted
- One‑step molding of complex structures: Features such as locating bosses, mounting holes, and symmetrical contours eliminate the need for secondary machining; they are directly formed in the mold, achieving dimensional accuracy within ±0.05 mm and ensuring high part‑to‑part fit consistency without requiring additional trimming or fitting.
- Outstanding material performance: Sintered stainless steel exhibits high density, free of porosity and shrinkage defects. Following heat treatment, it achieves a uniform hardness distribution, combining robust structural integrity with excellent wear resistance at the contact interface, making it well-suited for high‑load, high‑frequency operating conditions.
- Strong surface‑condition compatibility: The matte‑finish surface reduces sliding friction while enhancing wear resistance. Depending on application requirements, it can undergo carburizing, quenching, or other heat treatments, as well as hard chrome plating and other surface‑finishing processes, further optimizing wear and corrosion resistance.
- Cost and Efficiency Advantages: Near-net-shape forming significantly reduces subsequent machining, resulting in high material utilization and making it well-suited for mass production, thereby effectively lowering the per-unit cost.
- Performance Features
- Sliding guide stability: The guide profile and mating components maintain uniform clearances, ensuring smooth, jam-free sliding. This enables high-precision linear guidance, with minimal risk of binding or misalignment even under prolonged use.
- Wear and fatigue resistance: The contact surface undergoes densification treatment, delivering outstanding wear performance. It can withstand high‑frequency reciprocating sliding and impact loads, ensuring a long service life and minimizing the risk of wear and tear or surface damage.
- High structural strength: The monolithic, integrally molded structure features no welded joints, ensuring uniform load distribution and enabling it to withstand substantial lateral loads and impacts, thereby adapting to the harsh operating conditions of the equipment.
- Wide customization and adaptability: Parameters such as boss dimensions, mounting hole locations, and overall dimensions can be tailored to meet customer requirements, ensuring compatibility with the installation space, load capacity, and motion needs of various devices.
III. Application Scenarios
It is widely used in applications such as automotive transmission locking sliders, guide mechanisms for power tools, sliding guide blocks for electronic devices, and limiters for precision instruments, making it particularly well suited to mechanical transmission and guiding systems that demand high part accuracy, wear resistance, impact resistance, and consistent batch-to-batch performance.
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