Predetermined Time Standards

1
Predetermined Time Standards

• PTS can
• Develop the best method
• Establish the time standard
• Establish labor cost
• Select the best machine
• Train the operator in the best method

2
Predetermined Time Standards System

• Reach
• Move
• Grasps
• Release
• Alignment and position
• Static force
• Eye fixation
• Eye Travel
• Foot motion and leg motion
• Bends and arise from bend
• Stoop and arise from stoop
• Turning
• Sit and stand
• Walking

3
Grasps

• Contact grasp
• Large parts grasp
• Medium parts grasp
• Small parts grasp
• Regrasp

4
Procedure for Developing a PTSS Study

• Select an operation to study
• Collect data
• Lay out work station
• Develop a motion pattern
• Break the job down into elements
• Calculate allowances
• Calculate the time standard
• Calculate cost
• Perform a time study comparison
• Improve for cost reduction
• Select the best method
• Publish the approved method and time standard

5
Better Way for Cost Reduction

• Eliminate motions
• Combine motions
• Change the sequence of motions
• Downgrade the motions to less time-consuming ones
• Justify new equipment
• Justify better tools, fixtures, and jigs