milinight.blogg.se - The tube shown has a uniform wall thickness of

#The tube shown has a uniform wall thickness of pdf

238000006011 modification reaction Methods 0.000 description 2.

239000000725 suspension Substances 0.000 claims description 16.

Assignors: DANA CORPORATION Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DAVISON, KENT, BLESSING, MARTIN Priority to CA002487605A priority patent/CA2487605C/en Priority to MXPA04011668A priority patent/MXPA04011668A/en Publication of US20050110336A1 publication Critical patent/US20050110336A1/en Application granted granted Critical Publication of US7090309B2 publication Critical patent/US7090309B2/en Assigned to HENDRICKSON USA, L.L.C. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Dana Inc filed Critical Dana Inc Priority to US10/721,597 priority Critical patent/US7090309B2/en Assigned to DANA CORPORATION reassignment DANA CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Dana Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Martin Blessing Kent Davison Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US10/721,597 Other versions US20050110336A1

#The tube shown has a uniform wall thickness of pdf

Google Patents Variable wall thickness trailer axlesĭownload PDF Info Publication number US7090309B2 US7090309B2 US10/721,597 US72159703A US7090309B2 US 7090309 B2 US7090309 B2 US 7090309B2 US 72159703 A US72159703 A US 72159703A US 7090309 B2 US7090309 B2 US 7090309B2 Authority US United States Prior art keywords wall thickness center portion axially spaced spaced segments axle assembly Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7090309B2 - Variable wall thickness trailer axles

Some foreign manufacturers believe that perforation of the rotating bite on the tube has a certain self-aligning effect.US7090309B2 - Variable wall thickness trailer axles However, over the past decade or so, with the improvement of technology and equipment, fewer and fewer units are equipped with heat-set centers. At the same time, a good centering hole size can be obtained because the shape of the punch matches the shape of the tip nose. This method is highly efficient, has no metal consumption, is simple in equipment and has a wide range of applications. Heat centering is in the tube heating, with compressed air or hydraulic punching in the hot state, the device is set at the piercing machine at the front desk. The purpose of centering is to facilitate the perforation of the nose nose aligned tube axis to prevent the bud when the perforation biased to reduce the uneven thickness of the front end of the capillary while improving the oblique rolling fL bite bite conditions so wear fL process Smooth progress. Therefore, the pressure before the hole extrusion, ingot or billet to be shaped cross-piercing, round billet to be centering.

In order to ensure that the wall thickness of steel pipe is uniform, the center axis of the tube must be punched.