GB338439A - Method of manufacturing crank shafts or cranks - Google Patents
Method of manufacturing crank shafts or cranksInfo
- Publication number
- GB338439A GB338439A GB2544/30A GB254430A GB338439A GB 338439 A GB338439 A GB 338439A GB 2544/30 A GB2544/30 A GB 2544/30A GB 254430 A GB254430 A GB 254430A GB 338439 A GB338439 A GB 338439A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crank
- worked
- cranks
- shafts
- bored
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/08—Making machine elements axles or shafts crankshafts
Abstract
338,439. Vereinigte Stahlwerke Akt.- Ges., (Assignees of Nierhaus, F. W.). March 15, 1929, [Convention date]. Shafts.-Cranks, crank shafts &c. are formed from metal blocks which before being worked to crank &c. form are freed from piping and segregation by removing the core 1 by boring or piercing, the block 2 being then forged to ring form 3, flattened at 5 and divided at 4, resulting in a crank wherein there is no sharp bending of, the fibres tending to weaken the metal. In a modification shown in Fig. 7, a bored ingot is expanded to tubular formation 8 with a centre collar 7, slit longitudinally by radial cuts into a number of sections and each section bent to crank form by bending down the ends as shown by the arrows. In another modification the bored ingot is expanded and worked to a flat ring, cut across and straightened to form a flat bar and bent and further worked to multiple throw crank form.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE338439X | 1929-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB338439A true GB338439A (en) | 1930-11-20 |
Family
ID=6222561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2544/30A Expired GB338439A (en) | 1929-03-15 | 1930-01-24 | Method of manufacturing crank shafts or cranks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB338439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942194A (en) * | 2014-03-25 | 2015-09-30 | 株式会社神户制钢所 | Method for forging a crank throw, method for manufacturing a crank throw and crank throw |
-
1930
- 1930-01-24 GB GB2544/30A patent/GB338439A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942194A (en) * | 2014-03-25 | 2015-09-30 | 株式会社神户制钢所 | Method for forging a crank throw, method for manufacturing a crank throw and crank throw |
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