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Tool and Die Makers

All questions concerning tool makers, die makers, mold makers and tool fitters and the work they do including the tools and equipment they use (machines such as lathes, mills, shapers, grinders, saws), as well as the necessary education and training to become one can be found here.

388 Questions

What is step turning operation on lathe machine?

Actually, there are 2 classifications of turning operations...

It can be classified as External operations and internal operations.

In external operations are:

1. Turning-(including steps, tapers, contours, and chamfers)

2. Facing

3.Grooving

4. Cut-off-(also called parting)

5. Thread cutting-(also called screw cutting)

while in Internal operations are:

1. internal drilling

2. Boring

3.Reaming

4.Tapping-(internal thread cutting)

What is the difference between a metal lathe and a wooden lathe?

Milling in a lathe can be two things:

  1. A cutter is gripped in the chuck and a workpiece the the tool post. The work piece is then milled by using the feed on the lathe. Although it has been done, it is an unconventional method and is not recommended.
  2. A 3-in-1 lathe with a milling attachment as part of the machine used for milling a work piece.

What would a power-kraft metal lathe model 04tlc-700 be worth?

Like everything else, it's worth whatever someone is willing to pay for it.

In excellent condition with lots of 'tooling' like chucks, rests, attachments, extra parts, etc. a nice clean Wards lathe might be worth $1000 or more.

A rusty, dirty, neglected or abused old example with no extras and in poor condition?

Maybe a hundred bucks......maybe less.

hth, Steve

What is bench lathe machine?

(mechanical engineering) A small engine or toolroom lathe suitable for attachment to a workbench; bed length usually does not exceed 6 feet (1.8 meters) and workpieces are generally small.

Read more: bench-lathe-mechanical-engineering

How do you specify lathe?

The lathe is Specified on the basis on the following factors:

1.Lathe swing or simply swing i.e maximum diameter of the workpiece that can be machined.

2.Maximum distance between the HEadstock and tailstock.

3.Length of the bed.

then there are many kinds of lathe categorized by their specific functions or mechanisms but these are the general specifications for every lathe.

What is the conclusion of a lathe machine?

A lathe machine is a heavy duty and high powered tools largely used in engineering. They are used to cut and shape metals, woods or plastics and even drill holes with added parts. There are different kinds of lathes used in engineering depending on what the job is, such as mechanical engineering.

Example of products made by using lathe machine?

We use the lathe machine for facing, knurling, grooving, etc...

n gen we use all these processes after foundry and casting of a object...

We can use lathe for threading, cutters etc.....

Difference between turret and center lathe?

A turret lathe has six-usual tools arranged in the order of use on a rotating turret which is cycled by a large wheel or (Turnstile) like contrivance- in fact some lathe makers calle them Turnstile lathes. the British prefer the term Capstan lathes, the Capstan being that old extended bar device ( somewhat resembling a turnstile) used by seamen to manually raise the anchor- in old Pirate films, etc. The Capstan or Turnstile is oriented vertically, like a steering wheel. they usually have six stops on a hexagon turret. For this reason, a number of automobile makers had hexagonal trademarks such as Essex and Packard- a mark of homage to the machines used to make the parts!- the Turret Lathe.

What are the reference or datum points on a cnc lathe machine?

depending on machine-x and z zero machine reference points are in the upper right hand corner(away from workpiece) whereas your programmable origin point used for your specific program is completely up to you.

What can you do on the center lathe?

A center lathe can be used for machining, manufacturing or modifying parts and components from most metals, some plastics or even some fiber compound materials. The versatility of a lathe is extensive.

Lathes cut the outside diameters of the workpiece or component, cuts the faces and bore, can cut most types of threads, grooves for o'rings and v-belts, knurl surfaces, part or cut off. All these functions can be achieved with high precision.

Lathes also do the primary machining of a workpiece which would then have multiple spline cut for a gear, key way for a shaft, etc. on machines like milling machines, slotting machines, gear shapers.

Give the type of lathe machine?

Lathe specifications

· Distance between centers

· Swing over the bed

· Swing over the cross slide

· Horse power of the motor

· Number of speeds

What is the function of a lead screw in a lathe machine?

The lead screw moves the turret by a precise increment for every rotation of the screw. This allows the machine to generate threads in a workpiece, to generate precise length and diameter dimensions, and to maintain a constant rate of metal removal.

How a work piece held to the lathe machine?

a laithe works by a rotating jaw with ur work in the chuck and u can use many laithe tools to cut difrent things off of your work sick bled dont mention

It has a head stock(fixed and is connected to motor) and a tail stock(movable).The tool is moved towards the workpiece (which is driven by motor).Used for making cylindrical sections,tapering,drilling..

Why a lathe is called an engine lathe?

Lathe is power driven machine,which is used for many operation such as reduction in length,dia and enables threading,surface finishing operations etc which are the basic operations to be carried out for the component.

Which type of motor is used in lathe?

The type of motor used depends on the size of the lathe.

Small "hobby" lathes use small fractional (1/8, 1/4...) horsepower ac motors which run on household single-phase power.

The lathes which are used to produce crankshafts for huge marine diesel engines - or the rotor shafts of the massive alternators used to generate megawatts of electrical power - must use giant-sized motors, producing hundreds of horsepower.

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DC SHUNT MOTORS.
Three-phase electric motor.

How you calculate rated power of lathe machine?

It will be often desirable to know the power which is being consumed in operating a lathe on certain work for which data is required. For most purposes this can be sufficiently approximated by calculating the power of the lathe from the width of the belt and its speed in feet per minute.

For such purposes it is usual among mechanical engineers to consider that a one-inch belt traveling a thousand feet per minute will transmit one horse-power. This will give us a key to the entire calculation.

What is knurling?

Knurling is a machining process normally carried our on a centre lathe. The act of Knurling creates a raised criss cross pattern on a smooth round bar that could be used as a handle, or something that requires extra grip

What is parallel turning on lathe machine?

Parallel strips, which are hardened and ground steel pieces sold in matching pairs, are used in a vice or bolted to the machine table to support and accurately set jobs. Their purpose is to provide clearance so drilling and tapping operations can be done without cutting into the machine table.

What is taper turning on lathe machine?

An operation performed on a lathe that feeds a tool at an angle to the length of the workpiece in order to create a conical shape.

Where was the discovery of lathe machine?

Jacques de Vaucanson built the first all-metal lathe around 1751, according to Book Rags. Henry Maudslay, who is considered the "father of the industrial lathe," invented the first screw-cutting engine lathe in 1797.

How do you perform grinding operation on lathe machine?

The main operation in a lathe machine is to turn material. In all lathes, a piece is held and rotated around an axis while metal is cut.