Bench work is the production of an article or component by hand on the bench. Fitting is the assembling together of parts and removing metals to secure the necessary fit, and may or may not be carried out at the bench. Bench and fitting work also plays a significant role for completing and finishing a job to the desired accuracy.
What is bench work?
Bench work involves following hand operations to finish the work to desired shape and size with required accuracy. 1. Marking 4. Filing 5. Draw filing 7. Grinding 1.
What are the tools used in bench work and fitting?
Both the bench work and fitting requires the use of number of simple hand tools and considerable manual efforts. The operations in the above works consist of filing, chipping, scraping, sawing drilling, and tapping. 1.2 HOLDING TOOLS 1.2.1 Bench vice The bench vice is a work holding device. It is the most commonly used vice in a fitting shop.
What are the safety practices in bench work and fitting shop?
The following are some of the safe and correct work practices in bench work and fitting shop, with respect to the tools used Keep hands and tools wiped clean and free of dirt, oil and grease. Dry tools are safer to use than slippery tools. Do not carry sharp tools on pockets. Wear leather shoes and not sandals.
What are industrial workbenches used for?
Industrial workbenches are used for finishing, assembly, and component repair. The majority of heavy duty industrial workbenches are capable of holding 750 kg (over 1600 lbs). and are designed to support heavy tools and equipment, as can be seen in the image below.
What is bench working process?
Benchwork includes various cutting processes that machinists complete by hand rather than on a machine when creating part features that require less power and force. Common benchwork operations include hand tapping, hand reaming, hand filing, and engraving.
What is the function of bench fitter?
The work carried out by hand at the bench is called bench work, whereas fitting is the assembling of parts together by filing, chipping, sawing, scraping, tapping etc., necessary after the machine operation.
What is bench work tools?
A punch made from a steel rod with a length of 90 to 150 mm and a diameter of 8 to 13 mm is used in bench work for marking purpose and locating centres in more permanent manner.
What is fitting work?
Fitting work includes laying out, various cutting operations, filing, threading, bending and straightening, lapping, drilling, countersinking, reaming, riveting, and soldering.
What is work bench fittings and appliances?
Workbench Fittings and Its Appliances A bench on which work is performed, especially such a bench for mechanics, machinists, carpenters, etc. In other word, a workbench is a table used by wood workers to hold work pieces while they are worked by other tools.
What is fitting workshop?
The hand operations in fitting shop include marking, filing, sawing, scraping, drilling, tapping, grinding, etc.,using hand tools or power operated portable tools. Measuring and inspection of components and maintenance of equipment is also considered as important work of fitting shop technicians.
What is bench metal?
Benchwork (metal working with handtools) Benchwork is the use of basic hand tools to shape and form metal into shapes that you need.
What is bench metal processes?
It is the method of cutting or shaping wood, stone, or metals with the use of a chisel. Flat Cold Chisel is the most common type of chisel used.
Which tools are used in fitting shop?
Some of the Measuring Tools used in the Fitting Workshop are as follows.Steel rule & Measuring Tape.Surface Plate.Divider.Try square.Inside Calliper.Odd leg caliper.Outside Calliper.Vernier Height Guage.More items...
What is called fitting?
noun. Definition of fitting (Entry 2 of 2) 1 : an action or act of one that fits specifically : a trying on of clothes which are in the process of being made or altered. 2 : something used in fitting up : accessory.
How many types of fitting are there?
There are many different kinds of fittings, made from a variety of materials: some of the most common types are elbows, tees, wyes, crosses, couplings, unions, compression fittings, caps, plugs and valves.
What is the importance of fitting work?
We are happier when we "fit in" because we feel a sense of belonging. We also are more likely to develop meaningful friendships because we share values with others in a group. Fit affects our performance because our level of engagement and motivation are positively related to our level of fit.
1. Holding tools
The holding tools or vices are required to hold the work firmly. The various types of vices for different purposes are bench vice, hand vice, pipe vice, leg vice and pin vice.
2. Striking tools
The striking tools or hammers are used to strike the job or tool. The various types of hammers in common use are ball-peen hammer, cross-peen hammer, straight-peen hammer, double-faced hammer, and soft hammer.
3. Cutting tools
The chief cutting tools used in fitting are cold chisels, hacksaws and files. These tools are discussed, in brief, as follows:
4. Marking, Measuring and Testing tools
The various marking, measuring and testing tools are Engineer's steel rule, outside and inside calipers, divider, surface plate, scriber, universal surface gauge, punch, V-block, angle plate, try square, combination set etc.
What is bench work?
Bench work is the production of an article or component by hand on the bench. Fitting is the assembling together of parts and removing metals to secure the necessary fit, and may or may not be carried out at the bench. Bench and fitting work also plays a significant role for completing and finishing a job to the desired accuracy. Fitting involves removal of unwanted material with the help of hand tools and its done for mating, repair and manufacturing purposes. One who works in a fitting shop is called a fitter. Both bench work and fitting requires the use of a large number of hand tools and other devices or equipment that involve a number of operations for accomplishing the work to the desired shape and size.
What is a steel rule?
Steel rule is generally employed for purpose of measuring rough dimensions and laying out them. It is always advisable to start measuring from 1 cm mark because the end of the rule is generally worn out. It is made up of stainless steel and available in sizes of 6̋ to 24̋ ̋.
What is bench work?
Bench work is the production of an article or component by hand on the bench. Fitting is the assembling together of parts and removing metals to secure the necessary fit, and may or may not be carried out at the bench. Bench and fitting work also plays a significant role for completing and finishing a job to the desired accuracy. Fitting involves removal of unwanted material with the help of hand tools and its done for mating, repair and manufacturing purposes. One who works in a fitting shop is called a fitter. Both bench work and fitting requires the use of a large number of hand tools and other devices or equipment that involve a number of operations for accomplishing the work to the desired shape and size.
What is a steel rule?
Steel rule is generally employed for purpose of measuring rough dimensions and laying out them. It is always advisable to start measuring from 1 cm mark because the end of the rule is generally worn out. It is made up of stainless steel and available in sizes of 6̋ to 24̋ ̋.
Why are work benches important?
In most cases, they have to be specially engineered. A key factor for assembly workbenches is the comfort of employees. Ergonomic configurations keep employees comfortable and keep production flowing. Most assembly workbenches have shelves and cubbies for easy access to parts and components.
What is a workbench?
A workbench is a sturdy flat, smooth, molded surface that comes in a variety of sizes designed for specific tasks. They can be very complex for engineering design work, complicated machining, and intricate precision tooling or be a highly finished wood table for woodworking, metal work, and project design.
What are industrial workbench surfaces made of?
Industrial workbenches, for heavy manufacturing, are made of stainless steel or aluminum with stainless steel or aluminum surfaces. Types of Workbench Surfaces. High Pressure Laminate – for less severe conditions. Phenolic Resin – for lab use. Epoxy Resin – for severe and harsh lab conditions.
What is the work surface of a workbench?
Work Surface: The work surface of a workbench has to be smooth and sturdy as well as resistant to solvents, chemicals, alcohol, and petroleum products. Small parts and testing workbenches usually have a finished top covered in resin or a plastic laminate.
What is a workstation?
Well-constructed workbenches have strong supports that can handle jobs requiring the use of heavy tools and machinery. Manufacturing and production workbenches are referred to as workstations. Though there is a great deal of similarity between workbenches and workstations, workbenches tend to have a larger area and are used for a wider variety of activities, while workstations are normally a part of a production or assembly operation.
How much weight can an industrial work bench hold?
The majority of heavy duty industrial workbenches are capable of holding 750 kg (over 1600 lbs). and are designed to support heavy tools and equipment, as can be seen in the image below.
What is required for an industrial workbench?
In an industrial setting, all equipment must be able to withstand hard use and the demands of manufacturing. This includes workbenches. The work surface has to be thick and covered with a protective material, such as a coating of resin or Formica. They have to be resistant to chemical spills, harsh solvents, oil, and alcohol.
What is the difference between bench work and mechanized work?
Bench work has its own essential position in all engineering works. In the mechanized workshops, where most of the work is carried out on an automatic machine, while bench work has its own importance.
What is bench vice?
2.2.1 Bench vice. It is the most commonly used vice sometimes also known as parallel jaw vice. It essentially consists of a cast steel body, a movable jaw, a fixed jaw, both made of cast steel, a handle, a square threaded screw and a nut all made of mild steel.
What is the tool used to write straight lines at right angles to a true surface?
It is better known as engineer’s try square and is a very common tool used for scribing straight lines at right angles to a true surface or testing the trueness of mutually normal surfaces. They are made in different sizes from the steel pieces.
What is a vice?
Vices are the most suitable and widely used tools for gripping different jobs in position during various operations carried out in a fitting shop. There are a fairly good number of different types of vices such as parallel jaw vice, machine vice, hand vice and pipe vice. From these, the parallel jaw vice is the most commonly used in general fitting ...
What is scraping on a bench?
Scraping is a very important hand operation in bench work employed for obtaining a fine surface finish on the work, particularly for removing convex spots from machined surfaces, and the tools used for doing this operation are known as scrapers.
Can a machine be refited without a fitter?
Reconditioning and refitting of machines and machine parts cannot be done without a skilled fitter. All the above types of works require the use of a large number of hand tools and a fitter must have good working knowledge of all these tools and instruments.
What is bench work?
Bench work involves following hand operations to finish the work to desired shape and size with required accuracy.
What is the most important part of bench work?
1. Marking . It is the basic and one of the most important operations in bench work. It should be remembered that how accurately and carefully one tries to perform other operations it will be of no help until and unless the piece has been properly and accurately marked.
What is twist drill?
The twist drill essentially consists of two main parts , a shank which is gripped in the chuck of the drilling machine and the body forms the main cutting unit. Main advantages of using twist drills are: 1. The chips of the metal are automatically driven out of the hole through the spiral flutes. 2.
What is bench vice?
Bench Vice is a holding tool which is used to hold the specimen or the workpiece between the two jaws.
What is fitting in machine shop?
Fitting is the process of assembling various parts manufactured in the machine shop. The various types of tools used in the Fitting Workshop are as follows.
What is a holding tool?
Holding tools are also known as Work Holding devices in the Fitting workshop. They are used to hold all types of components between jaws (Fixed Jaw and Movable Jaw).
What is the filing method used in the Fitting Workshop?
Filing in a direction perpendicular to the axis of a component is called Cross Filing. This filing method is used mostly in the Fitting Workshop.
What is a finishing tool called?
They are used to remove the material from the surface of the workpiece in order to get a high surface finish. The Finishing tools are also called as Files.
Which direction is the wingnut tightened in?
The wingnut is tightened in CW direction to hold the w/p and loosened in CCW direction.
What is the purpose of jaws in a machine?
The Jaws are used to hold the workpiece by rotating the handle. In that, one jaw is fixed and the other is movable.
What is bench work?
This involves a certain amount of hand fitting. The assembly of machine tools, jigs, gauges, etc, involves certain amount of bench work. The accuracy of work done depends upon the experience and skill of the fitter. The term ‘bench work’ refers to the production of components by hand on the bench, where as fitting deals which the assembly of mating parts, through removal of metal, to obtain the required fit. Both the bench work and fitting requires the use of number of simple hand tools and considerable manual efforts. The operations in the above works consist of filing, chipping, scraping, sawing drilling, and tapping.
What is a twist drill?
Twist drills are used for making holes. These are made of High speed steel. Both straight and taper shank twist drills are used. The parallel shank twist drill can be held in an ordinary self – centring drill check. The tapper shank twist drill fits into a corresponding tapered bore provided in the drilling machine spindle.
What are the parts of a vice?
It is fixed to the bench with bolts and nuts. The vice body consists of two main parts, fixed jaw and movable jaw. When the vice handle is turned in a clockwise direction, the sliding jaw forces the work against the fixed jaw. Jaw plates are made of hardened steel. Serrations on the jaws ensure a good grip. Jaw caps made of soft material are used to protect finished surfaces, gripped in the vice. The size of the vice is specified by the length of the jaws. The vice body is made of cast Iron which is strong in compression, weak in tension and so fractures under shocks and therefore should never be hammered.
Chapter One – What Is A Workbench?
Chapter Two – How Are Workbenches used?
- Workbenches are very versatile tools that have multiple applications and are used differently depending on their purpose. They are a critical part of assembly and production operations, where they provide a convenient solid workspace.
Chapter Three – Workbench Design
- The design of an industrial workbench includes several factors: the ability to handle heavy loads, durability, vibration resistance, and being usable with manufacturing equipment and machinery. Most industrial workbenches use stainless steel or aluminum as the construction material.
Chapter Four – Types of Workbenches
- The designs for workbenches are endless since they are crafted for specific applications and uses. They can be very simple with a flat surface for completing and finishing projects or complex with electrical outlets, computer interfaces, shelving, and drawers. The wide variety of types and configurations matches the long list of their uses. Below is a description of a few types.
Chapter Five – Designing A Workbench Area
- Though industrial workbenches are a highly productive piece of equipment, it is important that their placement be carefully planned for the greatest benefit and efficiency.
Conclusion
- The design of an industrial workbench includes several factors, which are the ability to handle heavy loads, durability, vibration resistance, and being usable with manufacturing equipment and mach...
- A workbench is a sturdy flat, smooth, molded surface that comes in a variety of sizes designed for specific tasks.
- The design of an industrial workbench includes several factors, which are the ability to handle heavy loads, durability, vibration resistance, and being usable with manufacturing equipment and mach...
- A workbench is a sturdy flat, smooth, molded surface that comes in a variety of sizes designed for specific tasks.
- Workbenches are very versatile tools that have multiple applications and are used differently depending on their purpose.
- Though industrial workbenches are a highly productive piece of equipment, it is important that their placement be carefully planned for the greatest benefit and efficiency.
