Roof Bolting Instrumentation – Nanda Millar Company https://nandagroup.com Fri, 05 Jan 2024 06:27:11 +0000 en-GB hourly 1 https://wordpress.org/?v=7.1 Double Point Tell Tale https://nandagroup.com/product/double-point-tell-tale/ Mon, 18 Nov 2019 13:01:56 +0000 http://nandagroup.com/wordpress/?post_type=product&p=1104 Minimum Order Quantity: 10 Unit

Material Mild Steel
Usage/Application Coal Mine
Display Type Analog
Automation Grade Automatic
Wire Material Stainless Steel

We are one of the foremost firms of Double Point Tell Tale. Besides, we present this product at nominal rates to our customers.

Download Brochure

]]> Short Encapsulation Testing Machine 30 T https://nandagroup.com/product/short-encapsulation-testing-machine-30-t/ https://nandagroup.com/product/short-encapsulation-testing-machine-30-t/#respond Mon, 28 Oct 2019 11:19:09 +0000 http://nandagroup.com/wordpress/?post_type=product&p=132 2nd generation rock bolt tester DGMS Circular No. S&T/Tech. Circular (approval) No. 03 of 22,09.2010 has advised industry to adopt short encapsulation Test where resin bolting is practiced. NMC has developed Short Encapsulation Testing Machine to meet industry requirement.

Download PDF

]]> https://nandagroup.com/product/short-encapsulation-testing-machine-30-t/feed/ 0 Rotary Single Point Wire extensometer https://nandagroup.com/product/rotary-single-point-wire-extensometer/ https://nandagroup.com/product/rotary-single-point-wire-extensometer/#respond Mon, 28 Oct 2019 11:01:36 +0000 http://nandagroup.com/wordpress/?post_type=product&p=129 INTRODUCTION: Rotary Extensometer In same areas conventional method of Roof Testing is not possible or convenient. There is no visual indication of how close is the system to ultimate failure.

Download PDF

]]> https://nandagroup.com/product/rotary-single-point-wire-extensometer/feed/ 0 Suspension Convergence Indicator https://nandagroup.com/product/suspension-convergence-indicator/ https://nandagroup.com/product/suspension-convergence-indicator/#respond Mon, 28 Oct 2019 10:47:42 +0000 http://nandagroup.com/wordpress/?post_type=product&p=125 ‘NMC’ Suspension Convergence indicator consists of two pins ‘A’ & ‘B’ Pin ‘A’ is fixed to outer tube ‘D’ and other pin ‘B’ on movable rod ‘C’. Points between root and floor is fixed by grouted stations.

Download PDF

]]> https://nandagroup.com/product/suspension-convergence-indicator/feed/ 0 Double Point Wire extensometer https://nandagroup.com/product/double-point-wire-extensometer/ https://nandagroup.com/product/double-point-wire-extensometer/#respond Mon, 28 Oct 2019 10:37:51 +0000 http://nandagroup.com/wordpress/?post_type=product&p=120 With conventional free standing support such as props, there is obvious indication when they are carrying excessive load, the greater the load the greater the deformation.

Download PDF

]]> https://nandagroup.com/product/double-point-wire-extensometer/feed/ 0 30T Standard Anchorage Testing Machine https://nandagroup.com/product/30t-standard-anchorage-testing-machine/ https://nandagroup.com/product/30t-standard-anchorage-testing-machine/#respond Mon, 28 Oct 2019 09:52:11 +0000 http://nandagroup.com/wordpress/?post_type=product&p=110 DGMS has advised industry for the adoption of Minimum 25 MT anchor testing machine. Mechanical fixtures used for testing should withstand the load of minimum 25 MT.

Download PDF

]]> https://nandagroup.com/product/30t-standard-anchorage-testing-machine/feed/ 0 Direct Recording Covergence Meter https://nandagroup.com/product/direct-recording-covergence-meter/ https://nandagroup.com/product/direct-recording-covergence-meter/#respond Mon, 28 Oct 2019 09:36:41 +0000 http://nandagroup.com/wordpress/?post_type=product&p=106 “NMC” Convergence Meter has been developed primarily as a ow cost means of continuously recording roof / floor convergence in mines, where ready access to the measurement site is possible. Direct plots of convergence versus time are obtained over a range of upto 100 mm. The Convergence Meter consists basically of a clock-work driver, a chart paper drum and a spring loaded scriber arm mounted on telescopic tubes. In use the tubes are coupled between two pins located

Download PDF

]]> https://nandagroup.com/product/direct-recording-covergence-meter/feed/ 0 Light Weight Anchorage Testing Machine https://nandagroup.com/product/light-weight-anchorage-testing-machine/ https://nandagroup.com/product/light-weight-anchorage-testing-machine/#respond Mon, 28 Oct 2019 09:12:11 +0000 http://nandagroup.com/wordpress/?post_type=product&p=102 2nd generation Testing equipment

DGMS has advised industry or the adoption of Minimum 25 MT anchor testing machine Mechanical Fixtures used for testing should withstand the load of minimum 25 MT

Download PDF

]]> https://nandagroup.com/product/light-weight-anchorage-testing-machine/feed/ 0 Load Cell (Dial Gauge Type) https://nandagroup.com/product/load-celll-dial-gauge-type/ https://nandagroup.com/product/load-celll-dial-gauge-type/#respond Mon, 28 Oct 2019 09:05:20 +0000 http://nandagroup.com/wordpress/?post_type=product&p=99 NMC Mechanical Load cell has been developed to measure the compressive load under steel or wooden props.

Download PDF

]]> https://nandagroup.com/product/load-celll-dial-gauge-type/feed/ 0 Covergence Indicator https://nandagroup.com/product/covergence-indicator/ https://nandagroup.com/product/covergence-indicator/#respond Fri, 25 Oct 2019 12:36:44 +0000 http://nandagroup.com/wordpress/?post_type=product&p=95 Under ground excavation results in deformation of opening

Download PDF

]]> https://nandagroup.com/product/covergence-indicator/feed/ 0