State basic difference between pull and push type of manufacturing system

1 Answer

Answer :

Sr. No.
Pull Type
Push Type
1 Production is based on actual demand
Production is not based on actual demand. It means make to stock.
2 Production schedule changes with changes in customer order 
Production schedule remains unchanged despite of customer order
3 Capacity utilization is lower
Capacity utilization is higher
4 Capacity requirements planning are critical
Capacity requirements planning are comparatively simple
5 Just in Time (JIT) is a pull system which is also known as Make to Order Production 
It is often said that Material Requirements Planning (MRP) is a Push system

Related questions

Description : Explain pull and push types of manufacturing system

Last Answer : Pull Type Manufacturing System: [1] Just in Time (JIT) is a pull system which is also known as Make to Order Production. [2] Pull System means that parts are produced to order and the ... represented by "Make to Stock" (MTS) in which the production is not based on actual demand.

Description : Describe Pull type manufacturing system

Last Answer : [1] Pull Type Manufacturing System: [1] Just in Time (JIT) is a pull system which is also known as Make to Order Production. [2] Pull System means that parts are ... is less complicated Examples: Custom Tailored Clothing, Special Purpose Machinery and product made to customer specifications.

Description : Describe pull type of JIT system with an example. 

Last Answer : 1] Pull Type Manufacturing System: 1. Just in Time (JIT) is a pull system which is also known as Make to Order Production. 2. Pull System means that parts are ... less complicated Examples: Custom Tailored Clothing, Special Purpose Machinery and product made to customer specifications

Description : Suggest most appropriate type of production system for manufacturing.

Last Answer : 1) Sugar – Process Production System. 2) Nuts and bolts – Batch Production System. 3) Connecting rods – Batch Production System. 4) Plastic bottles – Mass Production System. 

Description : What is lean manufacturing? state its benefits

Last Answer : Lean manufacturing or lean production, often simply "lean", is a systemic method for the elimination of waste ("Muda") within a manufacturing process. Lean manufacturing is a production practice that ... to obtain higher customer satisfaction 4) It reduces per unit cost 5) It controls inventory

Description : State the characteristics of lean manufacturing

Last Answer : Characteristics of lean manufacturing Lean manufacturing or lean production , often simply " lean ", is a systemic method for the elimination of waste (" Muda" ) within ... -line problem solving or quality circlr groups that involve employees in improvement activities.  

Description : State the necessity of modern trends in manufacturing.

Last Answer : To survive and remains competitive in the global economy. 2. To developed best method, system, and practices to enhance the process. 3. To meet increasing market demand for high quality product at lower cost. 4. To improve skilled resources. 

Description : Explain the concept of JIT and how does it help the manufacturing system to improve productivity?

Last Answer : Concept of JIT: [1] JIT is a Production methodology which aims to improve overall productivity through elimination of waste and which leads to improved quality. [2] JIT concept was ... ] It improves customer satisfaction [14] It improves working condition and relation between employees. 

Description : Explain the concept of lean manufacturing

Last Answer : Lean manufacturing or lean production, often simply "lean", is a systemic method for the elimination of waste (" Muda") within a manufacturing process. Lean manufacturing is a production practice that ... T obtained higher customer satisfaction 4) To reduce per unit cost 5) To control inventory 

Description : List advantages and disadvantages of Lean manufacturing. 

Last Answer : Advantages 1. Increased overall productivity. 2. Reduced amount of floor space required. 3. Reduced manufacturing lead time. 4. Improved flexibility to react to changes. 5. Improved quality. ... processes to implement lean principle. 2. Long term commitment required. 3. Very risky process.

Description : State and explain the basic principle to be followed to develop a good plant layout.

Last Answer : Following are the basic principle to be followed to develop a good plant layout. 1. Overall integration: A good layout is one that integrates men, materials, machine and supporting ... to the production process. For this purpose there must be sufficient space between different machines.

Description : State basic procedure for carrying out method study.

Last Answer : The steps followed for method study are as follows: 1. Select: Select the job to be considered for method study based on economical, technical and human consideration and define the objectives ... as a standard practice. 7. Maintain: Maintain that standard practice by regular routine checks.

Description : Enlist any four basic components used in robotics systems also write their functions.

Last Answer : Basic components used in robotics system with their functions: 1. Arm: The arm is the part of the robot that positions the end effectors and sensors to do their pre-programmed task. 2. End-effectors ... 6. Drive: The drive is the engine or motor that moves the links into their designated positions.

Description : List down the different types of production system in industry and give practical example of each type of production system.

Last Answer : Types of Production system.  1. Intermittent production a. Job order production system: Examples - Repair shops, fabricators, Special purpose machine manufacturer industries, Civil works etc. ... production: Examples - Sugar industry, Steel industry, Cement industry, Paper industry etc.

Description : Enlist any four factors which affect selection of material handling system. Explain which type of material handling system is suitable for: (i) Unloading two wheelers from truck ii) Stacking of pallets in store racks.

Last Answer : Four Factors affecting Selection of Material Handling System: [1] Adaptability and Flexibility [2] Type of Material to be handled [3] Type of Layout [4] Type of Production [5] ... [11] Cost of installation and handling Suitable Material Handling Devices for Following Activities:

Description : State advantages and disadvantages of ERP System. 

Last Answer : Advantages of ERP System: [1] Improved efficiency across business due to timely availability of information. [2] Better decision making owing to information integration. [3] Reduced inventory costs due ... [9] Lack of support from the ERP vendor, consultancy firm or the hardware vendor.

Description : State the types of production system. Enlist four features of mass production system.

Last Answer : List of Production System: 1. Intermittent production a. Job order production system. b. Batch order production system. 2. Continuous production a. Mass production system. b. Process production. ... on account of constant repetition of the same job. 9. Per unit cost of product is less

Description : Explain the different types of Automated guided vehicle system and also state its functions and applications.

Last Answer : Types of AGV  1. Wire guided AGVs: These AGVs follow as inductive wire as guided path. 2. AGVs having optical/chemical/magnetic guide path: These AGVs use a strip of ... Manufacturing system and Computer integrated manufacturing system. 3. Non industrial applications like hospitals, offices etc.

Description : Explain JIT system of production. State its merits

Last Answer : Just in time refers to the producing the part/component only when it is required. According to Just in time approach material is made available when it is demanded for further activities Just in time ... 3] To satisfy customer requirement [4] To ensure production flow [5] To optimize lead time

Description : State the types of production system. Enlist four features of batch production system.

Last Answer : Types of production system: a. Intermittent production:  1. Job Production 2.Batch production b. Continuous production:  1. Mass production 2. Flow production Features of batch ... adopted in batch production. Example: Pharmaceutical products, ready-made Clothes, Furniture, castings, etc

Description : From which of the following is the type of robot. (A) Point to point robots (B) Continue path robot (C) Jointed arm robots (D) All of the above

Last Answer : D

Description : Draw the layout of two wheeler service station. Justify the type of layout you have adopted.

Last Answer : Layout of Two Wheeler Service Station: [1] The major factors considered for service station, is an impact of location on sales and services and customer satisfaction. [2] Customers usually look about how close ... a process type of layout and they are assembled using product type of layout.

Description : What are actuators? Explain Mechanical and Hydraulic actuators type with advantages and disadvantages.

Last Answer : Actuators:- An actuator is a component of a machine that is responsible for moving or controlling a mechanism or system. Mechanical Actuator:- A mechanical actuator functions to ... the control of the system due to the transmission lines and oil viscosity changes from temperature

Description : Explain in brief product and process type layout

Last Answer : Product Layout:- It is also known as line layout. It implies that various operations on raw materials are performed in a sequence and the machines are placed along the product flow line i.e. machines are ... lathes will be at one place, all milling machines will be at one place etc

Description : State the advantages and disadvantages of combined operations. 

Last Answer : combined operation:- if the number of operations are combined in one setting it is possible to reduce the production time and the operations can be performed with more accuracy. Advantages of ... More costly set up 3) Trained operators are necessary 4) Sometimes special machines are needed 

Description :  Explain the concept of AGV? State it’s any two applications. 

Last Answer : AGV is the battery operated programmed vehicle, used to carry load from one location to another by following a prescribed path around the manufacturing floor. It is a driverless vehicle, ... System) 2) AGV material handling system is very suited to computer integrated manufacturing system  

Description : State the functions of production planning.

Last Answer : Function of Production Planning: Production planning is the determination, acquisition and arrangement of all facilities necessary for future production of products. It performs following functions; [1] To ... ; D. [4] To efficiently utilize the available resources and plant facilities.

Description : Explain the principle of working of hydraulic actuator and state its advantages.

Last Answer : Working Principle of Hydraulic Actuator  1. According to Pascal, when there is an increase in pressure at any point in a confined incompressible fluid, then there is an equal increase at every point in ... better performance than others. 3. Power to weight ratio of these actuators is high.

Description : State the various stages at which inspection should be planned. 

Last Answer : Stages of inspection: 1. Inspection of incoming materials, raw materials or received materials including bought out items. 2. In process inspection: It includes following stages; a. ... on completed assemblies under conditions similar to field conditions.  3. Inspection of finished goods.

Description : State the benefits of productivity to management and workers.

Last Answer : Benefits to management  a. Higher productivity earns good reputation of the firm. b. Ensures stability of the firm. c. Results in more profit. d. Result in increased sales and provide opportunity ... c. Job satisfaction and job security. d. Standard of living of worker is improved.

Description : What is ejector? State its necessity in the design of jigs and fixtures.

Last Answer : Concept of ejector: A device, which is used to remove the work piece from the machine after completion of operation, is known as ejector. Necessity: In the design of jigs and fixture , ... been machined. Ejector speeds up the unloading of the work piece and thus increases the production rate.

Description : State the information required to do process planning. What is working drawing?

Last Answer : Information required to do process planning: [1] Assembly and Part drawings and Bill of Materials [2] Technical Details of Machine/Equipment to be used [3] Standard Times for operation ... their functional positions or as an exploded view where we relate the parts to their functional positions.

Description : How inspection stages are determined? State the significance of operation sheet.

Last Answer : Following points taken into considerations for determine stages of inspection. 1. Type of production system. i.e. Job, batch or mass etc. 2. Nature of product i.e. complex which consist of more number ... sheet is one of the activity in the process plan, it helps to get a systematic process plan.

Description : What is scheduling? State internal and External factors Affecting Scheduling

Last Answer : Scheduling:-Scheduling means when and in what sequence the work will be done. It involves deciding as to when the work will start and in certain duration of time how much work will be ... Customers Demand 2) Customers delivery dates 3) Stock of good already lying with dealers and retailers 

Description : State any four types of grippers used in robots with one applications of each.

Last Answer : [1] Vacuum Gripper:- Flat and light weight Surfaces / Palletizing materials [2] Pneumatic Gripper:- Slightly weight parts [3] Hydraulic Gripper:- Heavy parts in industry [4] Servo electric ... objects such as steel sheets or tables [6] Claw Grippers:- Pick and lace and Assembly operations

Description : Draw proportionate sketch of template jig. State its use.

Last Answer : Use of Template jig:- 1) This jig avoids the marking operation completely 2) Drilling is done quickly 3) Easy and Fast loading and unloading of work pieces 4) For drilling flat work pieces they can be accommodated in this jig Sketch :-

Description : What is fool proofing of jigs and fixtures? State its importance. 

Last Answer : Fool Proofing of Jigs and Fixtures: It can be defined as the incorporation of design feature in the jig or fixture that will make it possible to lead the work into jig and fixture, in an ... increases [3] Wrong positioning of the work piece is avoided [4] Loading and Unloading time reduces 

Description : State different components of Jigs and Fixtures.

Last Answer : Different components of Jigs and Fixtures: 1. Body: It is a plate, box or frame type structure in which the components to be machined are loaded. It should be quite sturdy and rigid. ... in order to perform machining operations at different locations. In such case indexing elements are to be used.

Description : State the different factors affecting process planning. 

Last Answer : Factors affecting process planning. a. Size and shape of part: The size and shape of many components decides the basic operations for the manufacturing of pert. For example : For manufacturing ... give process engineer sufficient time to go details of each aspect to select most economical process.

Description : State different activities involved in dispatching function of PPC.

Last Answer : Activities involved in dispatching function: 1. To issue work order to different departments. 2. To release material orders from stores. 3. To ensure release of correct tools, jigs and fixtures. 4 ... operation. 7. Return of surplus material back to store. 8. Forwarding finished part to store.

Description : State types of mechanical joints used in robots. Explain any one with sketch.

Last Answer : [1] Rotational joint [2] Linear joint [3] Twisting joint [4] Orthogonal & [5] Revolving joint Rotational Joint: Rotational joint can also be represented as R - Joint. This type will allow the ... to the rotational axes. As like twisting joint, the output link spins about the input link. 

Description : State the objectives of plant layout.

Last Answer : Objectives of plant layout: 1. To optimize utilization of floor area. 2. To reduce material handling and internal transportation. 3. To optimize design of stores. 4. To minimize ... 9. To provide workmen safety, convenience and comfort. 10. To improve overall productivity of plant

Description : State the information required to determine operation sequence.

Last Answer : Following information required to determine operation sequence; 1. Specification of raw material. 2. Specification of final product. 3. Time availability for dispatch. 4. Types of machine available. 5 ... 8. Plant layout. 9. Quantity to be manufactured. 10. Tolerance and accuracy.

Description : Define process planning. State the factors affecting process planning and explain it.

Last Answer : Definition of Process planning: Process planning can be defined as the systematic determination of the process by which a product is to be manufactured economically and competitively. Factors ... process engineer sufficient time to go details of each aspect to select most economical process.

Description : State types of plant layouts. Describe product layout with neat sketch.

Last Answer : Types of plant layout: 1. Product or line layout 2. Process or functional layout 3. Fixed or static layout 4. Combination layout. Product layout: 1. This layout is ... line without back-tracking or cross-movements and finally the end product leaves from the other end of the line.

Description : State any four functions of production planning and control.

Last Answer : Functions of PPC: 1. Function related to material selection. 2. Function related to selection of method. 3. Function related to selection of machines and equipment. 4. Routing ... between control and future planning to improve the utilization of methods and facilities through feedback mechanism.

Description : State the meaning of each ‘S’ in ‘5S’.

Last Answer : Meaning of each ‘S’ in ‘5S’

Description : State the symptoms of bad plant layout.

Last Answer : Symptoms of bad layout. The symptoms of bad layout are listed below: 1. Poor utilization of space. 2. Long material flow lines. 3. Congestion for movement of materials and men. 4. ... Difficult to supervise and control. 8. Spoilage of products during handling. 9. Production line bottlenecks.

Description : State the meaning of control with its benefits.

Last Answer : Production control is one of the most important function of manufacturing firm which plans, directs and controls the material supply and processing activities of an enterprise, so that ... . Competitive advantage-reliable delivery to customers, lower production costs and greater pricing flexibility.

Description : Define productivity index. State it with respect to labour, material and machine.

Last Answer : Productivity Index:- It is used to compare the productivity during the current year with the productivity during the base year. Base year is any year which the company users or comparative study. ... key actor in economic production/operation..It is Number o units produced per cost o material.