Railway Industry
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Catalog excerpts

Railway Industry - 1

m w " , ■■ cL/ 'SCAR'S Machining Solutions IndUStry for Railroad Car Wheels Re-Turning

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Railway Industry - 2

Railroad Re-Turning Wheel Machining Technology Railroad car wheel re-turning can be found in every country where trains are used for passengers or freight transportation. It is most common for wheels to be re-turned on a dedicated portal wheel, universal lathe, or under floor lathes. The new tools for re-turning railroad wheels can machine the entire outer wheel profile in a single cut. They feature two cartridges with tangentially mounted inserts. Longitudinal turning is performed with a 30 mm long and 4 mm corner radius tangentially clamped insert, positioned with its long side against...

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Railway Industry - 3

A 19 mm long and 4 mm radius tangentially clamped insert positioned perpendicularly to the larger insert is used to machine the rim zone, which becomes massively eroded and sometimes has cracks. Machining depth can range from 0.3 mm to 12 mm, depending on the wheel’s outer condition prior to re-conditioning. Large depths of cut are usually performed by several machining paths, in order to prevent heavy loads or poor insert life.

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Railway Industry - 4

Common Machines for Rail Wheel Re-turning Under Floor Wheel Lathe Conventional Wheel Lathe CNC Portal Wheel Lathe

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Railway Industry - 5

Toolholders and Cartridges for Under Floor Re-turning Lathes (Model 106 Thread Profile Machine) Assembly & Spare Parts Designation LNMX 191940 LNMX 301940

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Railway Industry - 6

Tangentially Clamped Inserts for Railroad Wheel Re-Turning semi-finishing operations

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Railway Industry - 7

Toolholders with Cartridges for Under Floor Re-turning Lathes (Model 106 Thread Profile Machine) 6° h Material: Alloy steel Cutting speed: Vc=25-90 m/min Right-hand shown Spare Parts

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Railway Industry - 8

cutting Data Grade Recommendation High P A very hard substrate with a cobalt enriched layer, improved MTCVD TiCN and a thick alpha Al2O3 IC8150 CVD coating. Features excellent thermal stability, resistance to chipping and plastic deformation. Recommended for high speed machining of steel at stable or slightly unstable conditions. A hard substrate with a cobalt enriched layer, MTCVD TiCN and alpha Al2O3 CVD coating. IC9150 Excellent thermal stability and resistance to chipping and plastic deformation. Recommended for high speed machining of steel at stable conditions. A tough substrate with...

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Railway Industry - 9

Chip Formation at the Rim Curve Competitor ✔ One of the common problems in wheel re-turning is chip formation during the back turning operation at the rim zone. The new WM chipformer (on the 30 mm insert) has been specifically designed to prevent long chip formation during rim turning.

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Railway Industry - 10

TEST No. 1 Part name: Railway wheel Material: Alloy steel Machine manufacturer: RAFAMET-under floor Coolant method: None ISCAR Insert type Carbide grade Cutting speed (m/min) Feed per revolution (mm/rev) Feed mm/min Number of edges per insert Number of parts per edge TEST No. 2 Part name: Railway wheel Material: Alloy steel Machine manufacturer: Hegenscheidt-under floor Coolant method: None ISCAR Insert type Carbide grade Cutting speed (m/min) Feed per revolution (mm/rev) Number of edges per insert Number of parts per edge

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Railway Industry - 11

Bulgaria ISCAR BULGARIA Starozagorska 1, Str. Floor 1, Office G, 6100 Kazanlak Tel/Fax +359 431 62557 aa_iscar@infotel.bg Argentina ISCAR TOOLS ARGENTINA SA Monteagudo 222 1437 Buenos Aires Tel + 4 114 912 2200 5 Fax 4 114 912 4411 +5 admin@iscararg.com.ar Canada ISCAR TOOLS INC. 2100 Bristol Circle Oakville, Ontario L6H 5R3 Tel + 905 829 9000 1 Fax 905 829 9100 +1 admin@iscar.ca www.iscar.ca Australia Headquarters and Technical Centre Norwest Business Park 30 Brookhollow Avenue Baulkham Hills NSW 2153 Australian Technical Training Centre Bell Street, Preston, Victoria, 3072 Tel + 1 (0) 2...

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