A polymer buffer pad for a locomotive and a processing method thereof. The buffer pad has an oblate body with a shaft hole at the center, a hollow interior, and positioning tenons on the outer walls on both sides of the body. The processing method comprises: ① Injection molding: using modified thermoplastic plastic as raw material, injecting the raw material into a parison tube by an injection molding machine, with a retaining ring formed at the mouth of the parison tube; ② Heating: inserting the tube body of the parison tube into an oven for heating, with the retaining ring placed on the shelf of the oven; ③ Blow molding: after heating the parison tube, placing the heated parison tube into a blow molding machine mold and blow molding it into a hollow sphere by the blow molding machine; ④ Cutting and drilling: cutting off the mouth part including the retaining ring of the hollow sphere, then drilling the bottom of the hollow sphere to form upper and lower shaft holes; ⑤ Heating and extrusion molding: placing the hollow sphere into a hydraulic vulcanizing machine for heating and pressing into an oblate body, followed by cooling and shaping.
Country Code: CN
Application Number: CN201110038315.1
