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This section provides an overview for runner chucks as well as their applications and principles. Also, please take a look at the list of 10 runner chuck manufacturers and their company rankings. Here are the top-ranked runner chuck companies as of December, 2024: 1.EMI Corp..
Table of Contents
A runner chuck is a chuck that grips the runner and removes the molded product from an injection molding machine. Molten resin, injected from the nozzle of an injection molding machine, is fed through a thick passage in the mold called a sprue, through a narrow passage called a runner, and finally through a place called a gate to the molding section.
Normally, a runner chuck is used to grip the runner and remove the molded product. However, it can also be used to chuck the molded product itself or the sprue.
Runner chucks are commonly used in injection molding machines where robots automate the removal of molded products. To facilitate this automation, several slide rails are combined, allowing the runner chucks to move along these rails.
Typically, a runner chuck clamps a runner between two claw-shaped metal fittings. It operates either electrically or pneumatically. Chucks with sensors on the jaws are generally used to monitor operation and facilitate the transition to subsequent steps.
The method of removing molded products from a mold depends on the shape of the gate, the entry point to the molded product in the mold. In the direct gate method, where the sprue is directly connected to the gate at the center of the molded product without a runner, the molded product itself or the sprue is chucked. This method leaves large gate marks, necessitating post-gate-cutting finishing.
When the gate is connected to the side of the molded product via a runner, use runner chucks or chuck the sprue. Gate marks remain on the molded product, requiring finishing after gate cutting.
In the submarine gate method, where a tunnel-shaped gate is provided at the end of the runner, both the molded product and the runner are chucked. The gate is automatically cut when the mold opens, eliminating the need for post-molding processing.
In the pin gate method, which involves using three molds to separate the molded product from the runner, the molded product is chucked, and runner chucking may not be necessary. The runner and sprue, including the pin gate, are separated from the mold at the first mold split, and the molded product is removed in the subsequent split operation. The gates are automatically cut with the mold split, so post-molding gate cutting is not required.
*Including some distributors, etc.
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SMC corporation was founded in 1959 and is headquartered in Tokyo, Japan. SMC Corporation manufactures and sells automatic control equipment and filtration equipment. SMC has production facilities in 30 countries, technical development centers in Japan, the United States, Europe, and China, and sales offices, globally. SMC product lines divided by them include filter replacements, condensation prevention, heat resistance, thermos-chilling, and others. SMC provides a video library as well as product selection guide to assist customers in finding solutions and optimizing product efficiency.
Suzhou CRG Robotics Technology Co., Ltd, founded in 2016 in Kunshan, China, is a manufacturer and supplier specializing in end-of-arm tooling (EOAT) solutions. The company develops and manufactures grippers such as robot quick changers, sprue grippers, air nippers and vacuum grippers. Their products find application across various industries including plastic injection molding, automotive, and medical sectors both locally and globally. As a one-stop solution for end-of-arm tooling (EOAT) solutions, the company also offers custom solutions depending on the customers' requirements. The company is ISO9001:2008 certified.
Piab AB (Piab Group), established in 1956 and headquartered in Danderyd, Sweden, is a manufacturer specializing in industrial vacuum technology solutions, currently operating as a subsidiary of Patricia Industries, a part of Investor AB. The company’s product lineup includes vacuum conveyors for powder and bulk, vacuum pumps and ejectors, as well as system and solution accessories. Its offerings extend to robot and collaborative robot (cobot) gripping solutions, components for robot end-of-arm tooling (EOAT), as well as suction cups and soft grippers. Notably, the company engages in industrial automation, providing solutions across industries, including automotive, food and beverages, chemicals, logistics, packaging, and warehousing.
FIPA, established in 1985 and headquartered in Munich, Germany, is a manufacturer of vacuum technology and end-of-arm tooling solutions. The company offers products connected with all aspects of material flow systems. It provides vacuum technology products like peripheral hardware for the generation and control of vacuums, hoses, fittings, lifting technology for lifting and conveying loads and end-of-arm tooling like gripper systems for the handling of workpieces. It also offers tailored solutions for special requirements. The company's products are mainly for plastics, sheet metal, packaging and general industries. It also offers training courses and seminars, equipment rental and installation services.
EMI Corporation, is a manufacturer based in the United States, specializing in providing innovative, end-of-barrel products for injection molding machines, established in 1968. The company’s products cater to the growing injection molding industry. These include technology to automate the handling of plastic molded parts. Since 2001, it has been helping customers with End of Arm Tooling, from the right vacuum cups to designing fully-engineered complete project sets. By using its comprehensive expertise to perform a wide range of services for clients, from supplying ready-to-use components from major manufacturers, to providing complete custom-designed components and build services.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | EMI Corp. |
100.0%
|
Derivation Method
The ranking is calculated based on the click share within the runner chuck page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
United States of America
|
3 | 33.3% |
|
Japan
|
2 | 22.2% |
|
China
|
1 | 11.1% |
|
Sweden
|
1 | 11.1% |
|
Germany
|
1 | 11.1% |
Malaysia
|
1 | 11.1% |
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