Robot Safety Standard Independent Study Cory Grant Spring
Robot Safety Standard Independent Study Cory Grant Spring 2011 Illinois State University Objectives
Study ANSI/RIA R15.06 Safety Standard Develop Risk Assessments Per Standard Design Physical/Electrical Safety System Implement Designed Safety System Check Implemented Safety System Against Standard Present Project to Illinois State
University (Employer) Present Project to Heartland Community College (Customer) Logical Flow SMC FMS-200
HCC Fanuc/SMC Workstation Robot Primary Function Screw/Torque Screws into Base Robot Secondary Function
Load Shaft and Cover from Table Mounted Inventory Stand HCC Fanuc/SMC Workstation
Robot Functions Assemblies Arrive on Conveyor Table Mounted Inventory Stand Robot Auxiliary Functions
Additional functions for external projects Ex: Using robot for SIT Conference to write student participants names
May use table area, conveyor area, area in front of table, or any combination. Workstation Model Workstation Model
Workstation Model Current User Position Current Student Position Initial Risk Assessment
Created risk assessment chart based on RIA standard and ISUs ABB risk
assessment Station currently does not include any safety equipment Used standard set of safety equipment to predict risk reduction Planned Safety Solutions
Presence sensing devices (curtain/mat) Barriers (fencing) Programming requirements (PLC/robot) Standard procedure training (classroom) Properly designed safety circuits (per NEC)
Awareness Signal on Fencing Station Controls Moved to Fencing Light Curtain Values
Allen Bradley PAC T4H 3400N 3 Beams 23mm Beam Width 400mm Beam Center to Center
Min Os=Beam C2C-Beam Width Min Os=400mm-23mm Min Os=377mm (14.85in) Therefore, Dpf=178mm (7.5in) Per Figure B.2 Light Curtain Values
Allen Bradley PAC T4H 3400N
3 Beams 23mm Beam Width 400mm Beam Center to Center Min Os=Beam C2C-Beam Width Min Os=400mm-23mm Min Os=377mm (14.85in) Therefore, Dpf=178mm (7.5in) Per Figure B.2
Fencing Opening 1.5in Square Openings Per Figure B.1
Per Figure B.1 1.25in Opening =6.5in Distance from Hazard 1.875in Opening=17.5in Distance from Hazard
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