Xiamen Better Silicone Rubber Co., Ltd
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Heat Shrink Boots
Heat Shrink Boots, also known as Wire Harness Boots, Heat Shrink Tubing, Heat Shrink Cable Boots, which are produced by compression mold and transfer injection mold. They provide robust protection of the wire-to-connector interface in interconnect cable harness applications. Connector / cable boots are supplied with an adhesive inner coating that activates with a watertight seal with the application of heat. Qualified to numerous military and industrial specifications, our heat- and cold-shrinkable boots, sleeves and molded shapes are temperature, solvent, and abrasion resistant.
Heat Shrink Boots Production Process by Transfer Molding
1) Make mold tools - prepare steel material, complete the product & mold design.
2) Prepare raw materials - Selected the type of material you want to use and calculate the proper amount of material. If too much material, excess material will seep out of the cavity and result in big flash which would be difficult to remove.
3) Set up the machine parameters - after the mold is well-done, can get ready for the sampling to ensure the part dimension and surface is what we required, need to set up the machine parameters and heat up the mold.
4) Place a piece of uncured rubber into a portion of the mold.
5) The mold is closed up and under hydraulic pressure, the rubber is forced through a small hole into the cavity. The mold is held closed while the rubber cures.
6). The plunger is raised up and the transfer pad material is removed
7). Mold is opened and the part can be removed. Any flash is trimmed and removed during this time. (Trimming flash, a secondary process that removes unwanted extra overflow material called flash )
Heat Shrink Boots by Rubber Transfer Mold Advantages
More Precise with Minimum Flash & Parting Line: Heat shrink boots by rubber transfer molded inherently have less flash (excess material that runs along the parting line of the mold) than their compression molded Heat Shrink Sleeve because the mold remains closed when the material enters the mold cavity.
Mold with More Cavity and saving preparing time: Hear Shrink Boots require few and simple prepared material. One prepared material can fill many cavities. Compare with silicone compression molding, it is an advantage and can save a significant amount of time to put the material one by one on the mold, which is also an advantage over injection molding since there is not a runner to fill each cavity.
Short Production Cycle: Silicone Rubber Transfer Molding Membrane Gasket offers shorter cycle times than compression molding and can also provide more consistency. The process allows for tighter tolerances and more intricate parts.
Heat Shrink Boots by Rubber Transfer Mold Disadvantage
Material Waste: However, Rubber Transfer Molding produces more waste material than compression molding because of the sprue, the air holes and the overflow grooves that are often needed to allow air to escape and material to overflow.
Mold is more expensive than compression mold: because the design and mold is more complex, therefore tooling can also become expensive.
Heat Shrink Boots, designed for rugged weathering, UV and ozone-resistant performance, Xiamen Better Silicone Rubber Co,.Ltd is the one-piece easy-action solution for cable and lug termination, splice insulation. Auto Shrink tubing delivers reliable and durable sealing as well as mechanical protection for cable end terminations in harsh military and industrial applications.
Heat Shrink Boots
Heat Shrink Boots, also known as Wire Harness Boots, Heat Shrink Tubing, Heat Shrink Cable Boots, which are produced by compression mold and transfer injection mold. They provide robust protection of the wire-to-connector interface in interconnect cable harness applications. Connector / cable boots are supplied with an adhesive inner coating that activates with a watertight seal with the application of heat. Qualified to numerous military and industrial specifications, our heat- and cold-shrinkable boots, sleeves and molded shapes are temperature, solvent, and abrasion resistant.
Heat Shrink Boots Production Process by Transfer Molding
1) Make mold tools - prepare steel material, complete the product & mold design.
2) Prepare raw materials - Selected the type of material you want to use and calculate the proper amount of material. If too much material, excess material will seep out of the cavity and result in big flash which would be difficult to remove.
3) Set up the machine parameters - after the mold is well-done, can get ready for the sampling to ensure the part dimension and surface is what we required, need to set up the machine parameters and heat up the mold.
4) Place a piece of uncured rubber into a portion of the mold.
5) The mold is closed up and under hydraulic pressure, the rubber is forced through a small hole into the cavity. The mold is held closed while the rubber cures.
6). The plunger is raised up and the transfer pad material is removed
7). Mold is opened and the part can be removed. Any flash is trimmed and removed during this time. (Trimming flash, a secondary process that removes unwanted extra overflow material called flash )
Heat Shrink Boots by Rubber Transfer Mold Advantages
More Precise with Minimum Flash & Parting Line: Heat shrink boots by rubber transfer molded inherently have less flash (excess material that runs along the parting line of the mold) than their compression molded Heat Shrink Sleeve because the mold remains closed when the material enters the mold cavity.
Mold with More Cavity and saving preparing time: Hear Shrink Boots require few and simple prepared material. One prepared material can fill many cavities. Compare with silicone compression molding, it is an advantage and can save a significant amount of time to put the material one by one on the mold, which is also an advantage over injection molding since there is not a runner to fill each cavity.
Short Production Cycle: Silicone Rubber Transfer Molding Membrane Gasket offers shorter cycle times than compression molding and can also provide more consistency. The process allows for tighter tolerances and more intricate parts.
Heat Shrink Boots by Rubber Transfer Mold Disadvantage
Material Waste: However, Rubber Transfer Molding produces more waste material than compression molding because of the sprue, the air holes and the overflow grooves that are often needed to allow air to escape and material to overflow.
Mold is more expensive than compression mold: because the design and mold is more complex, therefore tooling can also become expensive.
Heat Shrink Boots, designed for rugged weathering, UV and ozone-resistant performance, Xiamen Better Silicone Rubber Co,.Ltd is the one-piece easy-action solution for cable and lug termination, splice insulation. Auto Shrink tubing delivers reliable and durable sealing as well as mechanical protection for cable end terminations in harsh military and industrial applications.
