hardinge - turning, milling, grinding & workholding

hardinge - turning, milling, grinding & workholding

Hardinge has become a leader in grinding solutions with product lines like Kellenberger, Voumard, Hauser USACH and more. With offerings across the capability spectrum, let Hardinge be your partner for all your grinding needs.

By the use of most modern manufacturing means next generation technology is being created, which can meet the customers technical and economical requirements today and tomorrow. Wherever highly accurate grinding is required, Kellenberger precision grinding machines are in use

Voumard has been a leader in innovative ID/OD machines that can support small batch and production environments. Its product offerings represent multi-purpose, flexible and universal solutions for your ID/OD grinding requirements.

Hauser multi-axis jig grinding machines are specially developed for applications requiring complex double curvature profiles where very high standards of surface finish and accuracy are essential. Hauser machines are ideal for super-finished applications where accuracy must not be compromised.

Our focus is to address the demands of companies looking for a partner to help them find solutions to todays challenging, high precision grinding applications and automation projects. When a custom grinding solution is what you require, Usach can be your partner.

For over 100 years, Hardinge lathes have been and will continue to be a standard for quality, longevity and capability. Whether it is high volume production or holding tight tolerances, Hardinge can provide you with the right CNC lathe solution every time.

Our Gang Plate/Gang Turret line of CNC lathes gives you not only the productivity you demand for lean manufacturing but also the Hardinge-exclusive patented interchangeable tool top plate to dramatically reduce setup and cycle times.

Through our Bridgeport brand of vertical machining centers, Hardinge continues to set the milling standard around the globe. Our milling machines are designed to achieve maximum capacity and performance in a variety of industries and manufacturing environments.

The Bridgeport Series 1 Standard Mill the original, all-purpose mill has been the real thing in milling, drilling, and boring for metalworking shops throughout the world. Today, the Series I Standard continues to fulfill the industrys need for an accurate, reliable, and versatile mill.

We have various product offerings of 3 Axis capable CNC mills that can fit a variety of manufacturing requirements. We have a product portfolio that satisfies versatility, performance, or production needs.

An investment in Bridgeports latest generation of 5-Axis vertical machining centers will bring instant and positive results. Our unrivalled technology coupled with an unswerving commitment to improving our customers productivity and business performance have contributed to a large, and loyal, customer base.

Hardinge and its reputable portfolio of products, resources, knowledge and experience are ready to tackle your next machining challenge. As the only machine tool OEM provider offering turning, milling, grinding, workholding and custom manufacturing solutions, Hardinge is ideally positioned to provide you with an innovative, cost-effective custom solutions that meets your needs.

The diverse products we offer enable us to support a variety of market applications in industries including aerospace, agricultural, automotive, construction, consumer products, defense, energy, medical, technology, transportation and more.

Hardinge Inc. is a leading international provider of advanced metal-cutting solutions. We provide a full spectrum of highly reliable CNC turning, milling, and grinding machines as well as technologically advanced workholding and machine tool accessories.

SUPER-PRECISION is a combination of best practice design and manufacturing of hardware and software integrated into a machine tool that produces the highest level of precision turning centers for production that require the least amount of human intervention in the marketplace today.

The tight tolerances that we need to achieve are as low as 0.0002 on some turned parts and bored holes. Our newest Hardinge machine gave us the ability to perform multiple machining operations in a single setup.

We use them for all of our turning and live tooling operations on various tool steels and 400 series stainless materials both annealed and hardened. We consistently achieve tolerances of .0002 and RMS finishes of 10-15 uin from our SUPER-PRECISION Hardinge CNC turning centers.

used mills | bridgeport mill | vertical mills | cnc mills | horizontal milling machines- sterling machinery sterling machinery

used mills | bridgeport mill | vertical mills | cnc mills | horizontal milling machines- sterling machinery sterling machinery

CLICK ON THE CATEGORY OF Milling Machines YOU ARE LOOKING FOR! Bed Mills Gantry Type Ram Type (Horizontal & Vertical) Rolling Mills Vertical (Bridgeport Type) Vertical CNC New & Used Mills for Sale Are You Looking For A Good New or Used Metal Milling Machine? We have dozens of Milling Machines for sale in stock. Useful Tips: Features and Options What to look for Milling Machine Basics Video (find more on our podcast page!) Used Vertical (Bridgeport Type) Mill for sale currently in stockBrand New Vertical (Bridgeport Type) Mill for sale currently in stock View Machines Has a spindle axis is vertically oriented. Milling cutters are held in the spindle and rotate on its axis. The spindle can generally be extended (or the table can be raised/lowered, giving the same effect), allowing plunge cuts and drilling. There are two subcategories of vertical mills: the bedmill and the turret mill.Used Vertical CNC Mill for sale currently in stockBrand New Vertical CNC Mill for sale currently in stock View Machines Are the top of the line. CNC Mills or Machining Centers are Computer Numerical Controlled and can vastly speed production and set up time. With a CNC mill you can program your job and save the information to use laterUsed Ram Type (Horizontal & Vertical) Mill for sale currently in stockBrand New Ram Type (Horizontal & Vertical) Mill for sale currently in stock View Machines A mill that has a swiveling cutting head mounted on a sliding ram. The spindle can be oriented either vertically or horizontally, or anywhere in between. Van Norman specialized in ram type mills through most of the 20th century, but since the advent of CNC machines ram type mills are no longer made.Used Plain Horizontal Mill for sale currently in stock View Machines Plain mills are used to shape flat surfaces. Several cutters may be ganged together on the arbor to mill a complex shape of slots and planes.Used Rolling Mills Mill for sale currently in stock View Machines Rolling & Gear Reducer Mills typically have an automatic system that perform both rolling and auxiliary operations.Used Mills Universal Horizontal Mill for sale currently in stockBrand New Mills Universal Horizontal Mill for sale currently in stock View Machines A Milling Machine is probably the most popular and versatile machine in any shop mainly because of their ability to shape complex metal parts. It's basic form is that of a rotating cutter or endmill which rotates about the spindle axis (similar to a drill) and a movable table to which the workpiece is affixed. Vertical Mills Expanded Metal is extracted or chipped off by moving the X and/or Y axis, while the Z axis moves downward like a drill press. There are many different tools used with a milling machine to create the type of shape you are going for. The workpiece is held in by a vise or rotary table placed on the milling table using bolts held in by t-slots in the table. Once the piece is secure, you are ready to mill! Features and Options: Starting with the head of the machine, there are a few different ways to change head speeds. One option is a belt change, or step pulley machine which takes a little bit longer and is not recommended if you have many speed changes. To change the speeds more efficiently, you can get a variable speed head, which changes speeds as easy as you can turn a wheel. The most common option is a Powered table feed. This allows you to feed your workpiece automatically. Power feeds can be applied at any time and can be put on the x and y axis as well as the knee. This saves time work cranking the handles. Another popular option would be a Digital Read Out or DRO. This usually has some type of digital numbering system that shows you your measurements on screen instead of using the numbers on the dials for your x, y or z axiss. Another option would be a Power Draw Bar. This allows you to pneumatically open and close the draw bar with the touch of a button closing the collets without having to use a wrench to open the draw bar manually to change the collets. CNC Mills are the top of the line. CNC Mills or Machining Centers are Computer Numerical Controlled and can vastly speed production and set up time. With a CNC mill you can program your job and the control saves the information to use later; this helps reduce operator error and set up. What to look for: Some milling machines have scraped and chromed ways. Chroming adds strength to the ways for less wear and scraping evenly distributes the oil across the ways for a smooth flow. To make a machine flow smoothly you need a good lubrication system. Options include automatic lubricating system or a one shot lube system. When shopping for a Milling machine you should look at the key components of what makes a milling machine work and what parts get worn. Table working surface Swivel of head Longitudinal feed of table Vertical feed of head Vertical feed of table Spindle taper hole Table or knee feed range Spindle speed range Distance spindle to outboard support Maximum distance spindle to center of table Distance spindle to face of column We Buy & Sell all types of Mills such as: Vertical Milling Machine- Bridgeport, Sharp, Tree, Webb, Wells, Supermax, Lagun, Machinist Horizontal Mills- Kerney & Trecker, Cincinnati, Johnson, Production Simplex- Kent Owens, Cincinnati Plain Horizontal- All Brands Hydrotel-Vertical- All Sizes

Has a spindle axis is vertically oriented. Milling cutters are held in the spindle and rotate on its axis. The spindle can generally be extended (or the table can be raised/lowered, giving the same effect), allowing plunge cuts and drilling. There are two subcategories of vertical mills: the bedmill and the turret mill.

Are the top of the line. CNC Mills or Machining Centers are Computer Numerical Controlled and can vastly speed production and set up time. With a CNC mill you can program your job and save the information to use later

A mill that has a swiveling cutting head mounted on a sliding ram. The spindle can be oriented either vertically or horizontally, or anywhere in between. Van Norman specialized in ram type mills through most of the 20th century, but since the advent of CNC machines ram type mills are no longer made.

A Milling Machine is probably the most popular and versatile machine in any shop mainly because of their ability to shape complex metal parts. It's basic form is that of a rotating cutter or endmill which rotates about the spindle axis (similar to a drill) and a movable table to which the workpiece is affixed.

Metal is extracted or chipped off by moving the X and/or Y axis, while the Z axis moves downward like a drill press. There are many different tools used with a milling machine to create the type of shape you are going for.

Features and Options: Starting with the head of the machine, there are a few different ways to change head speeds. One option is a belt change, or step pulley machine which takes a little bit longer and is not recommended if you have many speed changes. To change the speeds more efficiently, you can get a variable speed head, which changes speeds as easy as you can turn a wheel. The most common option is a Powered table feed. This allows you to feed your workpiece automatically. Power feeds can be applied at any time and can be put on the x and y axis as well as the knee. This saves time work cranking the handles.

Another popular option would be a Digital Read Out or DRO. This usually has some type of digital numbering system that shows you your measurements on screen instead of using the numbers on the dials for your x, y or z axiss.

Another option would be a Power Draw Bar. This allows you to pneumatically open and close the draw bar with the touch of a button closing the collets without having to use a wrench to open the draw bar manually to change the collets.

CNC Mills are the top of the line. CNC Mills or Machining Centers are Computer Numerical Controlled and can vastly speed production and set up time. With a CNC mill you can program your job and the control saves the information to use later; this helps reduce operator error and set up.

What to look for: Some milling machines have scraped and chromed ways. Chroming adds strength to the ways for less wear and scraping evenly distributes the oil across the ways for a smooth flow. To make a machine flow smoothly you need a good lubrication system. Options include automatic lubricating system or a one shot lube system.

clausing 8520 mill | dales shop

clausing 8520 mill | dales shop

The Clausing 8520 is a highly sought-after small knee mill due to its versatility and light weight. I can be broken down into lighter pieces and easily moved, even up or down stairs. This makes it ideal for the home shop.

If you are interested in more history on these machines head on over to Tony Griffiths wonderful site. There you will find a treasure trove of historical information on many machines besides the Clausing mill.The 8520 page is available here.

New Morse Taper 2 tooling is readily available, due to some of the newer import milling machines also taking MT2 tooling. Depending on your draw bar configuration (See Below) all the tooling should be 3/8-16 threaded.

One of the questions that come up from time to time is what size vice and what size rotary table works best on the mill. I have a EncoModel #425-7240 vise without the swivel base that I purchased which is a good fit for the mill.

Over the life of the 8520, there have apparently been several variations on the drawbar design. The earliest ones had a ring brazed onto the 3/8-16 drawbar, which fit under a large knurled nut on the top of the spindle. The end of the drawbar was ground 1/4 inch square. A supplied small right-angle wrench to loosen or tighten the drawbar was provided. The ring would either push or pull, so you could eject the collet by simply loosening the turning the drawbar. This is a nice set up and saves the need to use a hammer to eject the tooling. My mill has this set up, but was missing the wrench. Its an easy project to make one. I built mine from a 1/4 inch socket and a 1/4 inch hex wrench, works great! (See myprojectspage)

The last batch of machines they made didnt have threads on the top of the quill for the knurled nut, the bottom nut on the drawbar rode directly on the top of the spindle. You still have to use a brass hammer on these.

Another user color matched the paint on his mill and foundBenjamin Moore & Co., Urethane Alkyd Gloss Enamel1567 Night Train They use a Deep Base M22 3B to start with, and then add the following tints. UTC Gallon Formula: OY 0x21.00 BK 128.00 TG 0x10.00 WH 14.00

Apparently not all mills came from the factory with these installed. Some mills have been reported to have nylon plungers installed instead of the brass. The plungers are adjusted for quiet running and for added drag to hold the quill from dropping easily. These are 1/4-20 screws 180 deg apart drilled/tapped into the plate edge. The brass/nylon plungers bear on the high parts of two splines.

If you mill does not have them its an easy job to add them. Each hole is directly opposite from the other (on diameter). Drill thru 13/64 dia (oversize) to the center, centered on the edge of the drive plate disc.The holes are also centered on a gullet of the drive plate spline. Tap the hole 1/4-20 about 1 deep. Make a brass plug to be a slip fit in the hole 3/8 length. Fit a coil compression spring (.028 dia wire x .26 long x 3/16 dia) to sit on the plug.Adjust the set screws to compress the spring and push the plug onto the spline.

It turns out that the small spur gear portion of the 8520 compound gear (Clausing part 990-065 cost $66) is a close match to McMaster-Carr part no. 6325 K31. Cost $7.79. A bit of cutting to get the hub thickness down to 1/4 inch, some finish sanding and reassembly using 1/4 dia. cold rolled stock as a shaft and a broken length of 1/16 drill bit as a pin to lock the two gears and everything works. Whole job took about an hour and a half.

All the bearings with the exception of the lower spindle bearings are commonly available. The Lower head/spindle bearings are a Class 3 which is specified as having a total runout of 0.0003 or less. They are sold as a ground matched set . Unfortunately they are no longer available from Clausing.

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