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Item # Corrugation Grinding Machine

The corrugation grinding machine RQ 1002 K60 has been specially designed for use on tramway tracks. Its compact size and exceptionally easy handling ensure economical application, whether under normal service conditions or with tram operating intervals of under 5 minutes. Maximum in-and off-tracking time is 30 seconds. The machine is raised and driven sideways from the track by electric power. The machine is designed for one-man operation and can be employed on grooved and Vignole rails. Crossing and switching zones as well as tight curves (R > 46 ft) can also be processed. The track width is infinitely adjustable from 38.5 - 59 inch.

Grinding principle

The corrugation grinding machine RQ 1002 K60 is designed on the one hand for grinding middle and short pitch corrugation (Fig. A) and on the other for deburring and re-profiling of the running edge and the outside edge of Vignole and grooved rails (Fig. B).

A) Short pitch corrugation grindin Short pitch corrugation consists of small ridges which form on the traction head of the rail causing noise and wear in the rolling stock. For corrugation grinding the traction head is ground with two rotating cylindrical grinding wheels arranged in succession (Fig. A). One of two grinding passes are made per operation, depending on the corrugation depth. By adjusting the vertical axes of the grinding wheels the traction head can be re-profiled in multi-facets mode. The difference in grinding angle and the number of single operations depends on the rail shape or on customer requirements (usually 4-5 operations). The resulting grinding dust ist suctioned off with a powerful vacuum cleaner equipment. The efficiency of vacuum cleaner amounts 2200m3/h. The dust particles are filtered out with the built-in preseparator, the filter mat and filter cartridge. The spark protection is equipped with two suck off channels. The sparks themselves are not suctioned off but are prevented from lateral discharge by baffle plates.

B) Deburring/re-Drofilina of the running edae After a long operating period of the rail the radius of the running edge may change or seamy formations may occur. The following method is employed for deburring and re-profiling the rail edges: The edges are ground with rotating cylindrical grinding wheels and the wheel spindles can be inclined up to approx. 55°. For deburring purposes a fixed angle setting is adequate. For re-profiling several passes with an angle difference of approx. 15° are necessary, depending on the accuracy of the radius required (Fig. B).

 Specifications   Additional Information   


87 Inch

Track Width

38.5- 59 Inch


95 Inch


63 Inch


2150 lb

Grinding Spindle Drives

Three-phase motor 15 KW, 400V/50Hz


Motor: 3000 rpm
Cyl. grinding wheels: 6000

Feed Drive

2 geared moters 0.25/ 0.35 kW

In - and Off-Tracking Device

2 geared motors o,25 kW

Work Lighting

2 spotlights 24 V

Electrical Connection

Euro - plug, 5 pole

Vacuum Cleaner Efficiency

(Torit) 2200 m³/h


·  Application_1

·  Application_2

·  Grinding spindle adjustment: The three functions are carried out manually with a hand wheel provided for each function

Contact Information

Phone: 770-458-4157

Fax: 770-458-5365

Postal address: 3731 Northcrest Rd. * Suite 6, *  Atlanta GA, 30340,  * USA

E-mail: sales@railquip.com

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