Question: What Is The Facing Operation?

What is a facing tool?

Facing is a turning operation in which the workpiece is machined to its center.

It involves moving the cutting tool perpendicular to the workpiece’s axis of rotation.

The closer a cutting tool is to the center of a workpiece, the lower the cutting speed.

It approaches zero at the center of a workpiece..

What are the different lathe operations?

Types of Lathe Machine OperationsTurning Operation. Plain or Straight Turning. Rough Turning. Shoulder Turning. Taper Turning. Eccentric Turning.Facing Operation.Chamfering Operation.Knurling Operation.Thread cutting Operation.Filing Operation.Polishing Operation.Grooving Operation.More items…•Apr 28, 2018

What is the difference between a face mill and a shell mill?

Face milling, in general, is defined as the process of cutting surfaces that are perpendicular to the cutter axis, or the faces of a part. Shell mills and fly cutters are most often used for face milling, but depending on what kind of surface finish you’re looking for, you could use an end mill as well.

What is face milling used for?

Face milling is a machining process in which the milling cutting is placed perpendicular to the workpiece. The milling cutting is essentially positioned “face down” towards the top of the workpiece. When engaged, the top of the milling cutting grinds away at the top of the workpiece to remove some of its material.

How does an end mill work?

End Mills are used for making shapes and holes in a workpiece during milling, profiling, contouring, slotting, counterboring, drilling and reaming applications. They are designed with cutting teeth on the face and edge of the body and can be used to cut a variety of materials in several directions.

What are the types of milling?

Types of milling operationSlotting. Also called slot milling, the width of the cutter is less than the width of the workpiece. … Side Milling. … Straddle Milling. … Gang milling. … Form Milling. … Up Milling. … Face Milling. … Conventional Face Milling.More items…

What is the process of knurling?

Knurling is a manufacturing process, typically conducted on a lathe, whereby a pattern of straight, angled or crossed lines is rolled into the material.

Which type of job motion is there in drilling operation?

2. Which type of job motion is there in drilling operation? Explanation: Motion of job is fixed in drilling operation. The drilling machine is one of the most important machine tool in workshop after lathe.

What is difference between milling and turning?

Turning and milling are two common machining processes that remove material from a workpiece with the assistance of a cutting tool. While similar, though, they use different methods to achieve this goal. Turning forces the workpiece to rotate, whereas milling forces the cutting tool to rotate.

What is reaming operation?

Reaming is a finishing operation of high-precision holes performed with a multi-edge tool. High surface finish, superb hole quality and close dimensional tolerance are achieved at high penetration rates and small depths of cut.

What is a turning process?

Turning is a machining process in which a cutting tool, typically a non-rotary tool bit, describes a helix toolpath by moving more or less linearly while the workpiece rotates. … Thus the phrase “turning and boring” categorizes the larger family of processes known as lathing.

How many types of drilling are there?

There are many different types or configurations of drilling machines, but most drilling machines will fall into four broad categories: upright sensitive, upright, radial, and special purpose.

What are the 7 basic types of machine tools?

They retain the basic characteristics of their 19th- and early 20th-century ancestors and are still classed as one of the following: (1) turning machines (lathes and boring mills), (2) shapers and planers, (3) drilling machines, (4) milling machines, (5) grinding machines, (6) power saws, and (7) presses.

How do you calculate material removal rate?

The calculation for Material Removal Rate is RDOC x ADOC x Feed Rate. As an example, if your RDOC is . 500″, your ADOC is .

Why is facing operation done?

Facing is an operation of machining the ends of a workpiece square with its axis. To produce a flat, square surface when facing, the lathe might be true. The purpose of facing are: To provide a true, flat surface, square with the axis of the workpieces.

What is facing in lathe machining operations?

Facing is a common machining process that involves the use of a lathe or milling machine to remove material from the end and/or shoulder of a workpiece. After the workpiece is placed on the machine, a cutting tool is pressed against it at the end or shoulder.

What is facing and turning?

The generation of surfaces oriented primarily perpendicular to the workpiece axis are called facing. In turning, the direction of the feeding motion is predominantly axial with respect to the machine spindle. In facing a radial feed is dominant.

Which feeding is needed for facing operation?

cross feedWhich type of feed is needed in facing operation? Explanation: Facing operation is done by the cross feed. In facing, workpiece is rotated against the single point cutting tool.