Modular fixture design pdf

An integrated computeraided modular fixture design system for machining semicircular parts. The buildpros modular design gives you the flexibility to adapt to each new project. Aug 14, 20 fixture is an important assisting resource for manufacturing. Carr lanes line of modular tooling solutions include two system sizes designed to suit a wide range of applications, providing an appropriate amount of clamping force. Begin the design by positioning the part, grid plate, pillars and beams in. Modular lighting instruments has been making high quality architectural lighting with attitude since 1980. Scheme of 321 fixture setup guohua qin, weihong, zhang min wan, 2006 it also shows a structure and a part of output results of the automated modular fixture design system. Specific constraints for each shop will again be identified. Pdf modular fixture design for generalized polyhedra john. Complete departmental sets can now be manufactured offsite at colonys modular manufacturing facilities before being delivered to the store level. Due to tight budgets, institutional applications such as schools benefit from the cost savings generated by installing acs modular wiring systems. Development of a computer numerical control cnc modular fixture machine design of a standard multifinger module. Biw fixture design pdf thesis project ii modular fixture d esign for biw lines usi ng process simulate summary the unc hangeable need of securing and locating.

Computeraided fixture design system for comprehensive. Pdf analysis of modular fixtures design researchgate. Fixture design can require weeks to months depending on the experience of the designer. Modular fixture design for biw lines using process simulate. As such, fixturing is of fundamental importance to industrial manufacturing. A case study has been presented to show the validity of the methodology proposed. Flexible fixture automotive part passive pinarray fixed jaw mobile jaw pins workpiece displacement. Such a flat face fixture employs multipurpose holes bushed and inserted and invertabolt fasteners to hold and locate a part throughout machining. Modular systems start from a pattern of locating dowel holes and tapped holes, or from conventional tslots. May 15, 2002 using modular fixturing is a different way of doing business. Fixture design fundamentals of tool design study guide, dv07pub3 3 modular fixturing modular systems allow the rapid construction of fixtures from kits of various components such as baseplates, supports, locators and clamping devices. There are a multitude of possible benefits to incorporating this into a business, at the same time it can have its drawbacks.

A method developed for reconfigurable manufacturing systems design has been adapted for the design of reconfigurable fixtures. Development of a computer numerical control cnc modular. The modular lighting idea is that one light fixture isnt just one light fixture. Modular fixture designer longterm technology services. Modular fixtures are complete fixture sets that are built in our modular manufacturing facility before being delivered in sections into your stores. As such, the fundamental principles of locating and clamping, as well as the numerous standard components available for these operations, must be thoroughly understood. Uday hameed farhan a thesis submitted to the faculty of computing, health and science, school of engineering, edith cowan university in fulfilment of the requirements for the degree of master of engineering science april 20. Also, import or create the files for the modular components of the fixture.

Using this, a formal generalization of the concepts and methodologies of fixture design for tinker will be developed. To date, the most popular risc fixturing system is the modular fixture 37. This research provides a systematic design method to help dedicated fixture users to convert to modular fixturing system users. Typical questions in fixture design does the fixture accurately locate the part relative. Keeping user benefits in mind, we have also partnered with fcs system, who is a renowned industry leader. Pdf modular fixture design for generalized polyhedra john canny academia. This paper researches on a new automatic fixture design methodology based on inheriting and reusing design.

Option a use cad program option b use materialise rapidfit. Mobile fixtures the mobile fixtures are used in long run production in commercial quantities of small and medium sized products under a. Modelling, modular fixtures, cad, design and assembly, database. Modular fixtures will hold parts as firmly and accurately as dedicated fixtures. These variables are described below with sample values from three tooling options. Computeraided fixture design system for comprehensive modular fixtures. Computers have dramatically reduced the design process time.

We can achieve the overall product design through the combination of various structural modules. Toloueirad aschool of engineering, edith cowan university, western australia email. The unchangeable need of securing and locating parts during different manufacturing processes turned the fixtures to key elements in production industries, but the iterations between design engineers and manufacturing planners because. Does the fixture ensure that the part is totally constrained. This paper researches on a new automatic fixture design methodology based on inheriting and reusing design knowledge. Modular fixturing can be a valuable tool for any machine shop. An intelligent fixture design method based on smart.

This paper deals with the problem of modular fixture design with a. The modular process reduces the amount of store level disruption associated with instore construction. Modular fixture number of times job repeats lot size high low few many modular fixturing dedicated fixturing. Thompson, industrial technology institute, ann arbor, michigan abstract the absence of adequate flexible fixturing methodologies is a significant impediment to the evolution of truly flexible manufacturing systems. Precision ground steel plates, with cnc machined 58 o holes in a 2 grid pattern for locating, positioning and holding buildpro. Modular fixtures sourcing, prototyping, manufacturing.

Rectangular tooling plates form the base for modular fixture. Youll work more safely and efficiently, so you can increase both your productivity and the quality of your work. Typical questions in fixture design does the fixture accurately locate the part relative to the cutting tool. Modular fixtures are composed of standard fixture components such as sta ndard locators, c lamps, supports and base plates that c an be. Repeatability tight tolerances combined with exacting workmanship result in a highly repeatable setup. A desired fixture design can be employed to hold the workpart securely so that slippage and excessive deformation can be prevented during machining. The aim of this book is to show how to use tecnomatix process simulate software to design and validate modular fixtures concurrent with process planning tasks. Hence, a stepbystep procedure for jig and fixture design will be developed.

The need for improved productivity and reduced time to market has been increased significantly in manufacturing processes in recent decades. Automated design of modular fixtures for flexible manufactuing systems m. Pdf a fixture is essential equipment to firmly fix the part at the good position in the workspace of the machine tool. Methodology for reconfigurable fixture architecture design. This handbook is a multichapter, illustrated reference manual featuring stepbystep instructions on jigs and fixtures with information on hundreds of components. This fixing duty is the main role of fixtures in the industry. In recent times there are many modern advancements came in the area of fixture design and assembly. Its design is under the combined influence of workpiece, machining methods, material performances, etc.

Using modular fixturing is a different way of doing business. Modular design is quickly becoming an engineering household name, as has lean and toyota production systems tps. These tooling plates can be directly mounted on machine tables or can be used in standalone fixtures. This paper explains the methodology developed for semiautomated mf design. Tight tolerances combined with exacting workmanship result in a highly repeatable setup. Design of modular fixtures using a 3dmodelling approach u. The features of fixtures include the type of the fixture milling, drilling, the shape of. Design of modular fixtures using a 3dmodelling approach. Design and analysis of modular fixture for machine vice. The application of computers to fixture design is called computer aided fixture design. Fixture system is a set of devices to securely hold the position of workpiece during machining process.

Computeraided tooling design for manufacturing processes. Ppt modular fixture powerpoint presentation free to view. The design of a modular fixture needs to be conveyed. One single product design serves multiple purposes. The tooling plates are located on the machine table by use of locating keys. Rebuilding a modular fixture that has already run parts in the past is even faster, taking only minutes to assemble.

Introduction to modular fixture components advantage of modular fixture application conclusion a fixture is primarily a holding device. Abstract the term fixturing refers to the task of immobilizing a workpiece for the purpose of performing operations such as assembly and machining. Systems at pratt and whitney 2001 summer project report. Implement the design the final phase of the fixture design process consists of turning the chosen design approach into reality. International journal of engineering research and general. Import the stl file of the part to be fixtured into magics rapidfit. Modular fixture design for biw lines using process simulate 1 1 introduction in most of manufacturing processes1, the product should be fixed securely and accurately in front of the machine in order to desire task can be accomplished. The modular design method considers that the product has a certain function of the realization of the overall structure of the module. Modular fixtures f ixtures are desired to be re configurable, immediate, simple, and cheap risc. An intelligent fixture design method based on smart modular. The best clamp for an application is one that can adequately hold.

A customer told us that by using an invertabolt common modular fixture ucmf his setup times were reduced by 92% so whats so great about an invertabolt ucmf. The modular fixture will ensure that even though the component is of different configuration will have one time design and setup configuration which will be standardized by assembly of fixture and then on fixture setup time will be less than a minute on the machine that to only if fixture is disturbed removed from the co. This method classifies modules into five functional groups and then selects proper modules from each group in accordance with the functional request of the fixture assembly. While the first three categories of forces are usually more predictable, clamping force can be rather subjective in terms. The ucmf is a unique fixture in which all the holding and locating elements are imbedded below the face of the fixture. Invertabolt fasteners add the ability to hold hogout parts in unique ways. Decide on the best orientation of the workpiece for which youre required to drillmill the job. A sensor based fixture design method is created for the part location of free. Indexing fixture a fixture that changes position with regular step like movements. The modular fixtures segment details the use of component kits to quickly construct both tslot and dowel holetapped hole modular fixturing systems.

Design a milling fixture to cut slot of 33mm in a mild steel component as shown in figure. Mar 20, 2020 biw fixture design pdf thesis project ii modular fixture d esign for biw lines usi ng process simulate summary the unc hangeable need of securing and locating. Proper fixture design is crucial for developing product quality pro engineer 4 tutorial pdf. Modular fixtures are composed of standard fixture components such as sta ndard locators, c lamps, supports and base. Modular fixtures are transforming the next generation of store sets in the retail industry and colony is leading the way. Phase i 2 actual practical development at tinker will be drawn. The orientation should be such that the location and clamping of this job be convenient. Locating and clamping are the critical functions of any workholder. Begin the design by positioning the part, grid plate, pillars and beams in the desired configuration. Fixture is an important assisting resource for manufacturing. A typical modular fixture can be designed, built and ready to run the first piece in under an hour whereas dedicated fixtures often require days or weeks to be completed.

Welding fixtures, welding fixtures design, jig and fixtures. What is the role of type and number of contacts on fixturability of the part. Modular fixturing systems 3 sizes available carr lane. Grid custom four lamp fixtures modular international. To reduce lead time and the human effort devoted to fixture planning, computer. Lighting fixtures installed in retail locations such as supermarkets are ideal for modular wiring systems from acs. Design of modular fixture for manufacturing bishoftu bus. The expert systems have been mostly used for the generation of.

Modularized fixture system is a highperformance solution, especially for mold manufactures. A free powerpoint ppt presentation displayed as a flash slide show on id. Can the part be easily loaded intounloaded from the fixture. When mistakes are made more time is required and the resulting large number of iterations means higher cost. The tool plate has 2 sets of holes, for lengthwise and widthwise mounting.

Assistant professor, department of mechanical engineering, manakula vinayagar institute of technology, pondicherry605107, india. Pdf modular fixture design for generalized polyhedra. Prato chart for cmm inspection setup time cover clutch is a first component which consists of flat face on one side, open stepped bore diameter in the middle and have mounting tapped hole for which concept design. Implement the design the final phase of the fixturedesign process consists of turning the chosen design approach into reality. Therefore, appropriate fixturing contributes highly to machining quality. Fixture design plays an important role at the planning stage before shopfloor production. A systematic conceptual design of modular fixtures springerlink. From the machine operators point of view, nothing changes. In indexing fixture following factors are considered 1the work piece should be positively located and clamped on the fixture independently of the indexing mechanism 2the indexing device should be both rapid in action and positive in location.

Therefore, this paper proposes a generic architecture design methodology for the design of reconfigurable fixtures. A systematic conceptual design of modular fixtures. Pdf modular fixture design for biw lines using process. A customer told us that by using an invertabolt common modular fixture ucmf his setup times were reduced by 92%.