Machinery Safety 101

IRRST Injection Moulding Machine Safety Checklists

RG-687 CoverPlastic injec­tion mould­ing machines are one of the most dan­ger­ous machines in wide­spread use in industry. The Insti­tut de recher­ché Robert-Sauvé en santé et en sécur­ité du trav­ail, is one of Canada’s lead­ing research cen­ters in occu­pa­tion­al health and safety. I would highly recom­mend the check­list to any­one deal­ing with these machines.

Note that ANSI B151.1 does not per­mit the use of risk assess­ment, thus the check­list does not imple­ment risk assess­ment. Nev­er­the­less, I would strongly recom­mend that a detailed risk assess­ment be con­duc­ted on the machinery to ensure that ALL the risks have been effect­ively con­trolled, and not just those fore­seen by the B151.1 Tech­nic­al Committee!


The IRSST has pro­duced, in col­lab­or­a­tion with pro­fes­sion­als from the plastics pro­cessing industry, a simple tool for check­ing the safe­guards for hori­zont­al plastic injec­tion mold­ing machines. Developed to sup­port com­pan­ies in the plastics pro­cessing industry in their efforts to pre­vent acci­dents involving hori­zont­al plastic injec­tion mold­ing machines, this doc­u­ment can also serve as a basic doc­u­ment in the train­ing offered to the per­son­nel in these com­pan­ies and to stu­dents in plastics pro­cessing. How­ever, it does not allow a risk ana­lys­is to be done to determ­ine lim­it­a­tions, to identi­fy haz­ards, and to estim­ate the risk; in these cases, the stand­ards must be con­sul­ted. The safety check­list was based on the recog­nized North Amer­ic­an stand­ard ANSI/SPI B151.1 – 2007.

Down­load the FREE checklist

5% Dis­count on All Stand­ards with code: CC2011 at

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