Before you hire anyone, first spend you money on better equipment. The time savings with better more appropriate equipment will make you fare more money than having to hire someone to use your slow production equipment.
One man with the best and fastest production is priceless. Two guy working there a$$ off going the same job is NOT cost effective. Having said that even the best and most productive equipment will not fix all problems. Many times it is the mind set of the guy running the equipment causing slow downs.
Just my opinion and experience.