High-Limit Shoulder Bolts Offering Durability and Precision for Industries

• Customization: Available
• Material: Carbon Steel
• Connection: Common Bolt
• Model NO.: 1-1
• Head Style: Round
• Standard: DIN
• Grade: 12.9
• Application: Building
• Finish: Black
• Applicable Industries: Construction Industry
• Whether to Support Customization: Support
• After-Sales: Three Months
• Size: Customizable
• Transport Package: Container
• Specification: 1-100
• Trademark: Huilin
• Origin: Handan, Hebei
• HS Code: 0101101010
• Production Capacity: 50000

Product Description

Introducing the Stop Bolt, an exceptional mechanical fastener boasting a unique structure and unparalleled functionality, essential in molds and precision equipment. Dive into its comprehensive description:

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1. Core Structure and Design Features

Shoulder Design: Featuring a cylindrical shoulder between the head and the screw, this design snugly fits the fastened component during installation, ensuring precise positioning and secure stopping.

Material and Performance: Crafted from SCM435 alloy steel with an impressive hardness of 33-38HRC, it merges superior toughness, wear resistance, and heat resilience, making it ideal for demanding high-temperature environments.

• Coordinated Use: Frequently paired with bolt pull rods, it precisely controls the mold opening stroke at parting surfaces through threaded connections, streamlining the mold design for a more compact solution.

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2. Functionality and Benefits

• Positioning and Stopping: The shoulder design firmly fixes the relative position of components, curbing movement deviations, perfect for scenarios requiring exact positioning, such as fixed mold seat plates and flow channel push plates in three plate molds.

Anti-Vibration and Stability: By utilizing direct mechanical cooperation (bypassing friction), it effectively withstands lateral loads, enhancing the connection's reliability and vibration resistance.

• Thermal Deformation Control: Efficiently mitigates deformation from thermal expansion in high-temperature molds, thereby extending the mold's service life.

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3. Application Scenarios

In mold industries, it expertly controls the opening stroke of three plate molds, optimizing the mold structure and enabling miniaturization.

Mechanical Transmission: Vital for transmission devices demanding high-precision positioning, particularly in automotive and aerospace sectors.

High-Temperature Environments: Its remarkable heat resistance suits it for high-temperature operations such as metallurgy and injection molding.

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4. Usage Guidelines

Selection and Matching: Choose specifications based on material, load, and aperture. The thread length typically equals 1.5 times the diameter.

Installation Essentials:

The countersunk hole depth should adhere to these requirements: W=S (stroke)+shoulder thickness K+2mm;

Utilize a torque wrench to control preload force, preventing over-tightening or loosening.

Pre-installation, ensure threads are cleaned and lubricated to avert locking.

Quality Inspection: Verify that the thread connection gauge is approved, and assess the fastening status post-installation.

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5. Distinctions from Ordinary Bolts

• Function Extension: It integrates both positioning and fastening, contrasting ordinary bolts which only provide fastening capabilities.

Structural Difference: The shoulder design enables mechanical stopping, a feature absent in ordinary bolts.

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Summary

The innovative Plug-in Screws meet the demanding requirements for positioning, vibration resistance, and high-temperature endurance in precision equipment. Their unique shaft shoulder structure and material properties mark them as indispensable in molds and high-precision machinery. This design skillfully balances functionality and reliability, necessitating strict compliance with installation specifications for peak performance.