UNIT1 INTRODUCTION OF PPC Function of production planning
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UNIT-1 INTRODUCTION OF PPC • Function of production planning and control • Types of Production • Characteristics of Production • Product Development 1 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021
Function of Production Planning and Control Fore -Casting (Estimation of future work) Material, Time, Cost , Man Power etc q Prior planning Order writing (Preparation of work authorization) Product Design (Preparation of specification blue prints drawings bill of materials etc. . q Action Planning 2 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 Process planning and roughting (sequence of operation Material Control (Maintain optimum inventory level) Tool Control(Design and Procurement of new tools Loading Scheduling 6/14/2021
Three Methods of Production Methods of production Job production 3 Batch production N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 Flow production or Continuous production © Photo. Disc 6/14/2021
q Job production § Job order production is the manufacture of products to meet specific customer requirements of special orders. The quantity involved is small. § This type of production is mainly concerned with special projects, models, proto-types and perform specific tasks. q Batch Production § Batch production is the manufacture of a number of similar articles, either to meet a specific order or to satisfy continuous demand. § In batch production three types i. A batch produced only once ii. A batch produced repeatedly at irregular intervals when the need arise. iii. A batch produced periodically at known intervals to satisfy continuous demand. 4 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021
q Continuous Production § Continuous production is the specialized manufacture of identical articles on which the equipment is fully engaged. § Continuous production is normally associated with large quantities and high rate of demand. § Continuous production can be classified into two ways 5 i. Mass Production ii. Flow production N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021
Characteristics of Job Order Production q Small production unit q The flow of material q Manufacturing cycle time q Layout of plant and equipment q Skill required q Quality of supervision q Cost of Production 6 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021
Characteristics of Batch Order Production q Short run q Investment q Planning q Skill of Labour q Quality of supervision q Plant layout q Material handling q Flexibility in production schedule 7 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021
Characteristics of Flow Production q Flow of Material q Machines and plant layout q Material handling q Skill of labour q Manufacturing cycle time q Quality of supervision q Flexibility in production schedule 8 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021
Product Design q It is necessary to design the product before starting its manufacture. q When a product idea is conceived and then developed to the point at which it shows itself to be both technically and commercially viable, it considered how the product should be made. q Product design deals with its form and function. q Form implies the shape and appearance of the product. q Function is related to the working of the product. q Design engineering covers three major fields q Design of new products q Re-design of existing products q Improvement in packaging 9 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021
Product Design q Functional Design § The Functional design aims at achieving performance standards, the goal of production design is economy of production. § It must remembered that the consumer wants utility, quality, and style with in a given price range. § The design must provide for a normal repair and replacement at low cost. q Product Design § Production design is concerned with the selection of material, the determination of manufacturing tolerance the achievement of maximum interchangeability of parts and possible adaptation of standard commercial parts to be assembly. 10 N. DINESHKUMAR AP/MECH/SRIT/PPC/ UNIT 1. 2 6/14/2021