An expander system that eliminates wear on the movable parts of construction vehicles.
The "Expander System" eliminates "wear," which occurs in the moving parts of various equipment such as construction machinery and factory facilities, and is a cause of rising maintenance costs. After installation, the shaft expands in a way that increases its diameter, filling the clearance inside the pin hole to eliminate stress concentration and solve wear issues. It is used in construction vehicles, civil engineering, and facilities. 【Features】 ■ Solves "wear" that occurs in the moving parts of all types of equipment such as construction machinery and factory facilities ■ Expands by increasing the diameter of the shaft after installation ■ Fills the clearance inside the pin hole to eliminate stress concentration ■ Size: From pin diameter φ15mm / pin length is optional ■ Compatible with all forms of grease application, including surface coating and internal injection *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■Construction vehicles ■Civil engineering and facilities *For more details, please refer to the PDF document or feel free to contact us.
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Nortlock Japan Co., Ltd. aims to be a partner in solving all bolt fastening challenges, centered around four brands: the "Nortlock Washer," a locking mechanism that does not rely on friction and prevents loosening; the "Superbolt," which allows enormous bolts and nuts that cannot be tightened by hand to be tightened with just one torque wrench; the "Boltight," which can simultaneously tighten multiple large-diameter bolts with uniform pressure; and the "Expander," a pivot pin for construction and heavy machinery that can be used semi-permanently.