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TECHNOFAST INDUSTRIES PTY LTD 2-4 Calcium Court CRESTMEAD QLD 4132 Po Box 888 BROWNS PLAINS BC QLD 4118 P: 07 3803 6550 E : [email protected] ABN: 27 088 349 044 FM233-CS01 (Rev-2) CASE STUDY: CS-03 Gold Mine Site: Boddington Gold Mine Application: Newmont Gearbox Couplers on Polysius—Polycom PM8-24/17M Original Set-Up: Installation was performed with two Hydraulic Bolt Tensioners which required multiple passes of the bolts (40 in total) Removal was then carried out with the use of a Hydraulic Torque wrench Issues Experienced: ● Extremely time consuming ● Difficult and confined location ● inconsistent bolt loads ● OH&S issues with the use of hydraulic torque wrench Technofast Product Used: Special M48 x 3.0 Ultra High Tensile EziTite ® Hydraulic Nuts linked together Benefits Experienced: ● Easy installation and handling ● installation and removal is by the same method ● Precise bolt load achieved ● improved installation and removal times dramatically Installation Time: Old Method = 10-12 hours (6 personnel) New Method = 3 hours (3 personnel) Time Saving = 7 hours minimum Feedback Received: “The Technofast team designed a special nut to achieve required size. The ease of fitting and the tensioning has reduced the overall time by two thirds and manning from 6 to 3. The implementation of this setup has allowed us to reach the timelines required for shutdowns on these Machines”. Project Manager
