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May 20, 2026Gasket ClassificationWashers are categorized as follows: Flat washers (Grade C), Large washers (Grades A and C), Extra-large washers (Grade C), Small washers (Grade A), Fl -
May 19, 2026Extruder screw segmentationThe movement of material within the extruder screw is studied in three segments, and therefore, screw design is often segmented accordingly. Since eac -
May 18, 2026Screw maintenance precautionsPrevent metal fragments and debris from falling into the hopper. If processing recycled materials, a magnetic hopper should be added to prevent iron f -
May 17, 2026Screw design principleThe main body of the pin-driven screw is a standard screw. Pins can be placed in the grooves of the melting or metering sections of the screw, or on t -
May 16, 2026The use of screwsScrews are widely used in plastic molding equipment, such as plastic profile extruders and injection molding machines. The screw and barrel are the co -
May 15, 2026Common materials for screwsCommonly used screw materials include 45 steel, 40Cr, nitrided steel, 38CrMoAl, and high-temperature alloys. 1) 45 steel is inexpensive and has good m -
May 14, 2026Locking nutThe working principle of a nut is self-locking through the friction between the nut and the bolt. However, the reliability of this self-locking decrea -
May 13, 2026Key features of nutsMeets US military standards—MIL-STD 1312 Vibration Test 7. Results; Junker Test; Dynamic Test -
May 12, 2026Types of nutsStainless steel self-locking nuts, lock nuts, locking nuts, four-prong nuts, screw-in nuts, safety nuts, thin rod screw connecting nuts, self-locking -
May 11, 2026Bolt ClassificationBonded anchors use a special chemical adhesive (anchoring glue) to bond the threaded rod and internally threaded tube to the drilled hole in the concr -
May 10, 2026Introduction to BoltsBolts are used to fasten two parts with through holes. This type of connection is called a bolted connection. Since the two parts can be separated by -
May 09, 2026What is a bolt?A bolt (an anchor) is a fastener consisting of a head and a threaded shank, primarily used in machinery manufacturing and construction engineering. It
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