Quality
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| We design
the seal product and mold by ourself using the software
including AutoCAD, Pro/E, SolidWorks. All the drawings
are checked carefully according to customer request or
we send the sealing design and solution to the customer
as per the seal working condition. |
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The
molds are made by CNC lathe and core surface are chrome-plated.
Material is Cr12MoV. |
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| The
mold core of valve stem seals used Cr12MoV material, and
chrome-plated on the surface. |
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14“ Rubber mixer used for the
preparation of rubber material and adjust the thickness.
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| Precision preformer
helps to control the weight of rubber perform. |
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Rubber
is shaped cured and bonded to metal case by Tongyu vacuum
molding machine. |
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| We use
the trimming machine to cut the lip. |
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All the
seals shall pass the lip shape examination by video measuring
machine. |
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