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English version of VDA dictionary


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M

Machine capability

Machine capability is determined by comparing the tolerance and variation in production with a single production setting. Mathematical and statistical methods are usually used for assessment and verification considering both short-term variations following a major process-influencing failures and factors independent from the machine itself.

Machine capability test

Machine capability test is a qualification test of machinery used for production of individual products.

Management

Consistently closed regulation cycle consisting of definition of objectives, measurement of objective completion and relevant corrective and improvement actions (e.g. PDCA).

Management system

System to establish policy and objectives and to achieve those objectives.

Maturity level

Reference to a VDA publication (if the definition is specific to a particular publication, different from it, or complementary to an applicable standard): Robust manufacturing process.

Maturity level estimate

Reference to a VDA publication (if the definition is specific to a particular publication, different from it, or complementary to an applicable standard): Automotive SPICE .

Maturity level profile

Reference to a VDA publication (if the definition is specific to a particular publication, different from it, or complementary to an applicable standard): Automotive SPICE .

MBO - Management by Objectives

Management by objectives so that managers have fewer things to worry about and initiative is promoted as well as staff motivation. This requires establishment of procedures for setting, monitoring and achieving objectives.

Means of production

The term stands for all the equipment and its components used for production, adjustment, testing, transportation and storage of customer's products (e.g. machinery, equipment, tools, agents, gauges).

Measurement

Measurement is an experimental procedure to determine particular values of physical quantities as multiples of a unit or reference values.

Measurement check (measurement)

Reference to a VDA publication (if the definition is specific to a particular publication, different from it, or complementary to an applicable standard): VDA volume 5 .

Measurement process capability

Capability of a measurement process for presumed task within a control process with specific consideration given to accuracy (extended measurement uncertainty). As regards variable tests (measurements), the capability is demonstrated if the gPP indicator, extended measurement uncertainty against tolerances (gPP = 2.U/T) does not exceed the pre-defined limits.

Measurement uncertainty

Parameter associated with the results of a measurement which characterises the dispersion of the values that could reasonably be attributed to the measurand.

Measuring equipment

Measuring equipment, i.e. measuring instrument, software, measurement standard, reference material or auxiliary apparatus or combination thereof necessary to realize a measurement process.

Method

Procedure planned according to resources and purpose leading to technical skills in solving theoretical and practical tasks.

Metrics

Numerical representation of a characteristic. Metrics must make possible a comparison with a reference value.

Microcontroller

Electronic computer, processor, memory and input/output switching circuits associated with a single silicon chip.

Microprocessor

Chip that represents a central memory in systems equipped with microcomputers. Microprocessor controls data processing in a system, inputs and outputs and peripheral and memory devices.

Milestone

Time decision point during a project.

MIME

Multipurpose Internet Mail Extensions

Model

Formal representation based on abstraction and idealisation of key structural and functional characteristics of a defined section of reality.

Modularity

Degree to which a closed subsystem or software component includes interconnected logical units (software modules). Complexity of software modules interconnections needs to be clear and controllable.

Morphological boxes

Systematic method of raising ideas. A solution to a problem may be found by dividing the problem into individual aspects that can consequently be changed. Through various random combinations numerous new solutions arise so that the likelihood of achieving a potential optimum increases. On the other hand, rush solutions result in prompt identification of a problem.

Motivation

The term “motivation” stands for the readiness of employees to perform. Quality awareness is reflected in the way individual employees approach quality issues in the area of interest.

MTBF – Mean Time between Failures

Mean time between two failures. In other words, the total time of operation divided by the total number of failures.

MTTR – Mean Time to Recovery

Mean time necessary to recover a machine to a specified condition.

Muda/ Mura/ Muri

Key elements of improvement (part of the Toyota Production Systems), the equivalent to English waste/unevenness/overburden.

Multipart MIME

Multipart MIME message includes more parts (Body parts) that are transmitted as data (also binary data).

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