Automated Stud Installation for Precise HPGR Roller Alignment
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Solution Overview
Problem
The manual installation of tungsten carbide studs on high pressure grinding roll (HPGR) rollers is time-consuming, prone to human error, and difficult to verify for correct installation, leading to adhesive failure and stud loosening.
Innovation Solution
A stud installation machine with a support arrangement, stud insertion arrangement, adhesive dispensing arrangement, and indexing mechanism that automates the process of installing studs on HPGR rollers, ensuring accurate alignment and adhesive application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual installation of studs is used, then flexibility and simplicity are maintained, but installation time increases significantly and human error occurs
Solution Approach 1:
The patent replaces manual mechanical installation with an automated drilling and insertion system that uses computer-controlled positioning, automated adhesive dispensing, and mechanical stud insertion mechanisms to eliminate human labor while maintaining precision
Solution Approach 2:
The system incorporates self-checking mechanisms including sensors that detect stud insertion depth, adhesive application quality, and automatic error detection that allows the system to verify its own work and identify defects without human intervention
2Manufacturing precision
If manual stud installation is performed, then equipment simplicity is maintained, but installation precision and consistency deteriorate
Solution Approach 1:
The patent replaces manual positioning with computer-controlled numerical positioning systems that use sensors and automated guidance to achieve precise stud placement consistency that cannot be achieved manually
Solution Approach 2:
The system incorporates feedback mechanisms including sensors that monitor stud insertion depth, adhesive application quantity, and real-time quality verification that adjusts the process to maintain precision standards
3Reliability
If manual installation procedures are used, then ease of operation is maintained, but reliability of stud installation deteriorates
Solution Approach 1:
The system performs self-verification of installation quality through integrated sensors that detect stud depth, adhesive coverage, and proper seating, automatically identifying and flagging defective installations without requiring manual inspection
Solution Approach 2:
Real-time feedback from sensors monitors each installation step including adhesive application quality, stud insertion depth, and seating verification, providing immediate information about installation reliability
4Manufacturing precision
If adhesive application is performed manually, then process simplicity is maintained, but adhesive application consistency deteriorates
Solution Approach 1:
The patent replaces manual adhesive application with automated dispensing systems that use computer-controlled positioning and metering to deliver precise, consistent adhesive quantities to each stud hole
Solution Approach 2:
The system applies adhesive in controlled amounts before stud insertion, ensuring proper adhesive coverage and positioning is established in advance, allowing for verification before the stud is fully installed
Data Source
AI summary
A method and machine (10) for stud installation are described. The machine comprises: a support arrangement (20) configured to support a tyre (14) and a shaft (12) on which the tyre is mounted for angular displacement about a longitudinal axis of rotation, and a stud insertion arrangement (22), at least part of which is displaceable relative to a tyre supported on the support arrangement, and which is configured to insert studs into holes in the tyre.