Quality ppt

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Summer Training Presentation On ACE Faridabad(Haryana) Submitted To: Kumar Mausam Sir V.K. Dwedi Sir Submitted By: Vishal Kumar Sharma Roll No.-111200282

Transcript of Quality ppt

Page 1: Quality ppt

Summer Training PresentationOn

ACE Faridabad(Haryana)

Submitted To:

• Kumar Mausam Sir

• V.K. Dwedi Sir

Submitted By:

• Vishal Kumar Sharma

• Roll No.-111200282

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About ACE:• ACE is India’s leading material handling and construction equipment manufacturing

company with over 50% market share in mobile cranes segment. In addition to MobileCranes, ACE also offers Mobile / Fixed Tower Cranes, Loaders, Vibratory Rollers, TruckMounted Cranes, Crawler Cranes, Forklifts, Tractor and other Construction Equipment.ACE has a consolidated presence in all major Infrastructure, Construction, HeavyEngineering and Industrial Projects across the country.

Background :

• ACE is a 15 years old enterprise with its full-fledged state of the art production facilitiesbased at industrial townships of Faridabad (Haryana) and Kashipur (Uttranchal). ThesePlants are fully equipped to produce around 12000 P.A. Construction Equipment and6000 P.A. Tractors

• The workforce comprises of qualified professionals having undaunted commitmenttowards total quality management and our strength lies in standardization of classproducts. We are dedicated to provide our customers with latest technologyConstruction Equipment and efficient sales and product support aimed at satisfyingtheir real needs.

• In our endeavor to expand our business and product offerings, we have also enteredinto marketing tie-ups with leading foreign companies which facilitate the availability oflatest technology and machines from around the world.

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Equipments Of ACE :• Pick & Move Cranes

• Truck Mounted Cranes

• Loaders

• Crawler Cranes

• Backhoe

• Roller

• Forklifts

• Tractor

• Harvester Combine

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Clients :

•ACE has more than 9000 Customers.

•ACE Equipment has been endorsed by all the leading companies in India suchas Reliance, L&T, BSES, BHEL, Punj Lloyd, Essar, Gammon, NCC, GujaratAmbuja, IISCO, Simplex, Coal India, BSNL, Gannon Dunkerley, Bhushan, PSL,Oswal, ISPAT, IVRCL, Indian Railways, ABB, Adani, NTPC, IOCL, ShapoorjiPallonji, Alstom, NHPC, UB, ACC, Tata, Kalpataru, KEC, Krupp, Airport Authorityof India, Ministry of Defence, HPCL, IPCL, Unitech, Welspun, Jindal, Aditya BirlaGroup, Areva, etc., to name a few.

•ACE machines are also being exported to:

•U.A.E., Saudi Arabia, Qatar, Bahrain, Kuwait, Iran, Portugal and Australia, South Africa, Kenya, Nigeria, Mozambique, Ethiopia, Algeria, Madagascar, Sri Lanka, Nepal, Bangladesh, Bhutan, Malaysia, Singapore, New Zealand, Sri Lanka, Kazakhstan, Romania

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•A series of analytical measurements usedto assess the quality of the analytical data. (The “tools”).

•It may be defined as managing the entire organization so that it excels on all dimensions of products and services that are important to the customer.

•Quality Control defined as an effective system for integrating the quality development, quality maintenance and quality improvement efforts of the various groups in an organization so as to enable production and service at the most economical level which allow for full customer satisfaction.

•It may be classified as a ‘‘Management Tool’’ for many industries outstanding improvement in product quality design and reduction in operating costs and losses.

Quality Control

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Product quality is defined as ‘‘The composite product of engineering and manufacture that determine the degree to which the product in use will meet the expectations of the customer’’.

‘‘Control’’ represents a tool with four steps :

i. Setting up of quality standards.

ii. Appraising conformance to these standards.

iii. Acting when these standards are exceeded.

iv. Planning for improvements in these standards.

Quality control emerges as a based function based on the collection analysis and interpretations of data on all aspects of the enterprise.

Quality Control

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• Total quality control is an aid for good engineering designs, good manufacturing methods and conscious inspection activity that have always been required for the production of high quality articles.

•Quality of any product is effected at many stages of the industrial cycle :

i. Marketing : Evaluates the level of Quality which customers want for which they are willing to pay.

ii. Engineering : Reduces this marketing evaluations to exact specification.

iii. Purchasing : Chooses, contracts with and retains vendors for parts and materials.

iv. Manufacturing Engineering : Select the jigs, tools and processes for production.

v. Manufacturing Supervision and shop operators : Exert a major quality influence during parts making, sub assembly and final assembly.

vi. Mechanical Inspection and function Test : Check conformance to specifications.

vii. Shipping : Influences the caliber of packaging and transportation.

viii. Installation : Helps ensure proper operations by installing the product according to proper instructions and maintaining it through product service.

• In other words, the determination of both quality and quality costs actually takes place throughout the entire industrial cycle. Quality control is responsible for quality assurance at optimum quality costs.

Quality Control

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The “AQL tables” are statistical tools at the disposal of buyers (for product inspections). They help determine two key elements:

•How many samples should be picked and inspected, among a batch of product or parts?

•Where is the limit between acceptability and refusal, when it comes to defective products?

The need for an objective measurement of quality:•In certain product categories, there will be defective products in virtually every production batch. It is often true even after the manufacturer has checked each individual product and has repaired the defective ones, since visual inspection is not 100% reliable.

•Therefore, in many supplier/buyer relationships (particularly when the application does not result in life or death outcomes), the supplier is not expected to deliver defect-free goods. The buyer needs to control the quality of purchased goods, since he does not want too many defects. But what does “too many” mean?

Acceptance Quality Limit

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• It is defined as the “quality level that is the worst tolerable”

For example: “I want no more than 1.5% defective items in the whole order quantity, on average over several production runs with that supplier” means the AQL is 1.5%.

In practice, three types of defects are distinguished. For most consumer goods, the limits are:

1. 0% for critical defects (totally unacceptable: a user might get harmed, or regulations are not respected).

2. 2.5% for major defects (these products would usually not be considered acceptable by the end user).

3. 4.0% for minor defects (there is some departure from specifications, but most users would not mind it).

These proportions vary in function of the product and its market. Components used in building an airplane are subject to much lower AQL limits.

Definition and application of ‘AQL’:

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Before using the AQL tables, you should know three parameters:

•The ‘lot size’. If you ordered different products, the quantity of each product is a lot size, and it is advised to perform separate inspections for each lot. If you ordered only one product, the lot size is the total batch quantity.

•The inspection level. Different inspection levels will command different numbers of samples to inspect. In this article, we will stick to the so-called “level II” under “normal severity” and to single sampling plans.

•The AQL level appropriate for your market. If your customers accept very few defects, you might want to set a lower AQL for both major and minor defects.

There are basically two tables. The first one tells you which ‘code letter’ to use. Then, the code letter will give you the sample size and the maximum numbers of defects that can be accepted.

Getting familiar with the AQL tables

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•How to read this table?If you follow my example, I assume your ‘lot size’ is comprised between 3,201 pcs and 10,000 pcs, and that your inspection level is ‘II’. Consequently, the code letter is “L”.

Sample size code letters:

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How to read this table?Your code letter is “L”, so you will have to draw 200 pcs randomly from the total lot size.Besides, I assume you have set your AQL at 2.5% for major defects and 4.0% for minor defects. Therefore, here are the limits: the products are accepted if NO MORE than 10 products with major defects AND NO MORE than 14 products with minor defects are found.For example, if you find 15 products with major defects and 12 products with minor defects, the products are refused. If you find 3 with major defects and 7 with minor defects, they are accepted.

Single sampling plans for level II inspection:

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Benefits:

• Improvements in product quality and design.

• Reduction in operating coasts and losses.

• Improvements in employee morale.

• Improved inspection methods.

• Setting time standards for labour.

• Definite schedule for preventive maintenance.

• Availability of purposeful data for use in co-advertising.

• Furnishing of actual basis for cost accounting for standard and for scrap, rework and inspection.

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