{"product_id":"shaft-upper-assist","title":"Cold-Forged Upper Assist Steering Shaft","description":"\u003ch2\u003eUpper Assist Shaft Manufacturing\u003c\/h2\u003e\n\u003cp\u003eJinhua Machinery manufactures upper assist shafts to approved customer drawings for steering and mechanical assemblies.\u003c\/p\u003e\n\u003ch3\u003eVerified manufacturing details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Medium-carbon steel with cold-drawing pretreatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess route:\u003c\/strong\u003e Cold forging forms the external spline and largest outer diameter; turning, milling and grinding complete other features.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e HRA 58–64.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensional control:\u003c\/strong\u003e Outer diameter tolerance ±10 μm and inner diameter tolerance ±22 μm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInspection and quotation\u003c\/h3\u003e\n\u003cp\u003eInspection is planned from the approved drawing, including spline geometry, diameters, datums and marked characteristics. Send the drawing or model, material specification, quantity, annual volume, required reports, finish requirements and target delivery date.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuality and inspection:\u003c\/strong\u003e Review our \u003ca href=\"\/es\/pages\/quality-inspection\"\u003equality inspection and process-control approach\u003c\/a\u003e. Include critical characteristics, required reports, certificates and traceability needs with the RFQ.\u003c\/p\u003e","brand":"Jinhua Machinery","offers":[{"title":"Default Title","offer_id":48110186791127,"sku":"(Overall Length：100~250mm Diameter：φ8~φ35)","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/1137\/1479\/files\/01_2c4ec16e-cd0e-4b57-a1ca-763b4003aadc.jpg?v=1781505145","url":"https:\/\/jinhuamach.com\/es\/products\/shaft-upper-assist","provider":"Jinhua Machinery","version":"1.0","type":"link"}