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A woodworking vise is a type of vise adapted to the various needs of woodworkers and woodworking. Several types have evolved to meet differing primary functions, falling under the general categories of front and end vises, reflecting their positions on a workbench.
There are two main locations for a vise (vice in UK English sp.) or vises on a workbench: on the front, a workbench's long face, known as a "front" ("face", or "shoulder") vise, and on the end, known as a "tail" vise. Either or both may be mounted on the right side of their face to allow a workpiece extending from them to be more easily worked by a right-handed person, though a common arrangement is with the front vise mounted on the left of a long side and the tail on the right side of the diagonally opposite end.
A woodworking vise holds work in its jaws, or compressed against a bench dog or holdfast. Holes to receive these stops or clamps are typically drilled in line with a vise in 3-4" intervals, with others added to the benchtop to serve various purposes.
In addition to the single screwed standard iron-jawed vise there are both quick-release and twin-screw variations:
A quick-release (or "quick-action") vise employs a split nut that allows its screw to engage or disengage with a half-turn of the handle. When disengaged the movable jaw may be moved in or out throughout its entire range of motion, vastly speeding up the process of adjustment. Common thread types are Acme and buttress.
A twin-screw vise allows for secure clamping of larger workpieces. The design was popular during the late eighteenth and early nineteenth centuries, particularly with chair makers. A modern evolution connects the screws with a chain, keeping them slaved together and turned by either handle. They may also be decoupled to hold tapered work.
This design has many of the advantages of the classic shoulder vise and single screw face vise, with few of the disadvantages. It can also be used effectively as an end vise. Its main drawbacks are its expense and relatively difficult installation.
Probably the oldest front vise design is the leg vise, which uses one of the bench's legs as its inside jaw. The outside jaw also goes nearly to the floor. A single is screw mounted between a quarter and a third of the way down that goes through both jaws. At its base either a board that can be adjusted by means of holes and pegs acts as a fulcrum, or a second screw is installed. The leg vise is probably the simplest and least expensive of the front vises, and it is very strong.
Another old design is the shoulder vise. The best thing about this design is that it allows clamping directly behind the screw. This yields unobstructed vertical clamping for cutting dovetails and similar operations. There is also typically a little play in the screw/jaw attachment that provides for clamping of tapered work. This is one vise that should be designed into the bench from the beginning, as it is difficult to retrofit into an existing bench. The primary drawback of the shoulder vise is its fragility, unless the "arm" is attached to the "end cap" using a dovetail or finger joint, usually glued or "pinned" to eliminate rotative movement about the joint, otherwise it is fairly easy to break it with a big steel bench screw. But one should never really have to put that much force on it. Some woodworkers say that the big vise gets in the way of some jobs, others find it unobtrusive. Implicit in a shoulder vise is an integral planing stop, formed by the intersection of the jaw and the jaw spacer, and which allows the shoulder vise to perform multiple duties, such as jointing long boards with a "bench slave" to hold the opposite end. In earlier times, a crochet and a holdfast would perform the same function.
Many of the commercial European benches have a front vise that uses a wooden jaw with a metal screw and built-in anti-racking hardware. These vises are also available as inexpensive kits that can be mounted on almost any bench.
The patternmaker's vise is sometimes used as a front vise. This style was originally designed for patternmakers, the folks who make the forms used in metal casting. Pattern making is exacting work using shapes not normally encountered by a cabinetmaker. The patternmaker's vise can hold odd shapes at various angles, and it can certainly hold simple shapes at regular angles. The drawbacks of this vise are the expense, the moderately complicated mounting, and a tendency to fragility. The most sought-after is an antique Emmert, but there are several clones on the market today, including one by Lee Valley Tools that is made of an aluminum alloy—which should be less likely to break—and several from Taiwan and which are clones of the smaller Emmert. A possible disadvantage of the patternmaker's vise is it usually requires installation on a bench which is at least 1-3/4" thick
Vise Type | Cost | Advantages | Disadvantages |
---|---|---|---|
Leg Vise | Low | Strong design Adaptable | Can be cumbersome to set Not good for those who dislike stooping |
Shoulder Vise | Low | Work clamped directly under screw Can clamp work vertically Can handle tapered work It is theoretically possible to clamp workpieces which are as tall as the floor-to-ceiling distance | Relatively complex and potentially fragile design Bench slave or deadman required for jointing Shoulder gets in the way of some work |
Hybrid Vise | Medium | Relatively wide face Wood clamping surfaces Can be made to fit a range of installations | Not ideal for vertical clamping Prone to racking |
Quick Action Vise | Medium | Strong design Can be set one-handed quickly Relatively simple installation | Not ideal for vertical clamping Bench thickness critical |
Pattern Maker's Vise | High | Most versatile Can clamp odd shapes at odd angles Can be retro-fitted to existing bench | Somewhat fragile Bench thickness critical |
Twin Screw Vise (Used as front vise) | High | Very strong design Can clamp work vertically Good for jointing Can handle tapered work | Relatively difficult installation |
The traditional tail vise uses one large screw, either wooden or metal. It is made in the form of a frame, with the back part of the frame fitting under the bench, and the movement of that frame located and restrained by a complex system of sliding tongues and grooves, and runners, such that smooth left and right movements of the frame are possible, but forward and backward movements, or rotative movements of the frame are impossible. The jaw has a face that contacts the bench top, and it has one or more dog holes on the top—often 3 to 4, each spaced 5 inches apart—that are in line with the dog holes located on the front face (apron) of the bench—numerous holes, each also spaced 5 inches apart. This is the least expensive option for a tail vise, but it is by far the most complex to design, construct and maintain. Tage Frid and Frank Klausz popularized this type of tail vise in North America, although its origin dates back to northern Europe (most probably Germany) in the 18th century.
This traditional tail vise also uses one large screw, either wooden or metal. It consists of a movable block with one or more dog holes in it, the movable block rides in a large mortise in the workbench. The jaw has a face that contacts the bench top, and the dog holes are in line with the dog holes on the bench top. The two main varieties of this vise depend on whether the screw nut is mounted in the bench or on the dog hole block. When the screw nut is mounted on the dog hole block the installation is more complicated and expensive, but the screw does not move in and out as the vise is used.
A newer form of tail vise does away with the need of a frame. It uses steel plates for its structure - one steel plate with the nut is mounted on the side of the bench, two others are built into a sliding jaw along with the bench screw. This is a robust design and it's easier to install and adjust than the older style. However, only a few sizes are commercially available (although larger sizes have been custom made).
A steel quick-action vise doesn't suffer so much from this problem. With one exception, it functions well on the end of the bench.
Vise Type | Cost | Advantages | Disadvantages |
---|---|---|---|
Traditional Tail Vise | Low | Classic design Can be made with all wood parts | Relatively difficult to build and install Relatively fragile, unless constructed using dovetail or finger joints Unconstrained as to size and capacity It is theoretically possible to clamp workpieces which are as tall as the floor-to-ceiling distance, between the jaw and the apron |
Wagon Vise/Enclosed Tail Vise (Nut in Bench Top) | Low | Strong design Can work on top of vise without damaging the mechanism Can be made with all wood parts | Cannot clamp large workpieces in the jaw Screw can get in the way when clamping long pieces Not good for pulling things apart |
Wagon Vise/Enclosed Tail Vise (Nut in Movable Dog Hole Block) | High | Very strong design Can work on top of vise without damaging the mechanism Screw never projects out of the bench | Cannot clamp large workpieces in the jaw Relatively difficult installation |
Leg Vise (Used as end vise) | Low | Strong design Can handle tapered work | Can be difficult to align Can be cumbersome to set Not good for those who dislike stooping |
Hybrid Vise (Used as end vise) | Medium | Relatively easy installation Can be made to fit a range of installations | Not particularly suited to this application Prone to severe racking and wear |
Quick Action Vise (Used as end vise) | Medium | Can be set one-handed quickly Relatively simple installation | Bench thickness critical Puts dog hole strip farther from the bench edge |
Modern Tail Vise | High | Strong design Easier to install and align | Some construction still required for the "core", about which are mounted the steel slides, and in which are located the dog holes Only a few sizes of steel slides are commercially available (about 15" and about 19"), but other sizes have been custom made |
Twin Screw Vise (Used as end vise) | High | Very strong design adaptable for multiple dog hole strips | Relatively difficult installation |
Woodworking is the skill of making items from wood, and includes cabinet making, wood carving, joinery, carpentry, and woodturning.
A lathe is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, and turning, with tools that are applied to the workpiece to create an object with symmetry about that axis.
A drill is a tool used for making round holes or driving fasteners. It is fitted with a bit, either a drill or driverchuck. with hand-operated types dramatically decreasing in popularity and cordless battery-powered ones proliferating.
A clamp is a fastening device used to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure. In the United Kingdom the term cramp is often used instead when the tool is for temporary use for positioning components during construction and woodworking; thus a G cramp or a sash clamp but a wheel clamp or a surgical clamp.
A workbench is a sturdy table at which manual work is done. They range from simple flat surfaces to very complex designs that may be considered tools in themselves. Workbenches vary in size from tiny jewellers benches to the huge benches used by staircase makers. Almost all workbenches are rectangular in shape, often using the surface, corners and edges as flat/square and dimension standards. Design is as varied as the type of work for which the benches are used but most share these attributes:
A bench grinder is a benchtop type of grinding machine used to drive abrasive wheels. A pedestal grinder is a similar or larger version of grinder that is mounted on a pedestal, which may be bolted to the floor or may sit on rubber feet. These types of grinders are commonly used to hand grind various cutting tools and perform other rough grinding.
A collet is a subtype of chuck that forms a collar around an object to be held and exerts a strong clamping force on the object when it is tightened, usually by means of a tapered outer collar. It may be used to hold a workpiece or a tool.
A chuck is a specialized type of clamp used to hold an object with radial symmetry, especially a cylinder. In a drill, a mill and a transmission, a chuck holds the rotating tool; in a lathe, it holds the rotating workpiece.
A bench dog is a removable clamp used on a woodworking workbench to hold an item fast while being worked. It is characteristically used in concert with an adjustable dog on a bench vise, allowing an item compressed between the two to be held fast on each end, and if offset in both directions.
A vise or vice is a mechanical apparatus used to secure an object to allow work to be performed on it. Vises have two parallel jaws, one fixed and the other movable, threaded in and out by a screw and lever.
A lathe dog is a mechanical device typically made of cast iron, steel or aluminum that transmits rotary motion from a faceplate to a workpiece mounted between centers in a lathe. The tail of the dog is rotated by a slot in a driving faceplate, a stud mounted on a faceplate, or sometimes a side of a chuck jaw. The workpiece passes through an aperture in the dog into which the work is secured by one or more setscrews or a clamp arrangement. The maximum cross sectional dimension of the workpiece is limited by the dimensions of the dog aperture. Lathe dogs are provided in straight tail or bent tail form, and may be single tail or double tail. A lathe dog designed to hold square, rectangular or odd-shaped work and having a moveable portion secured typically by two cap screws is called a clamp dog. Bent tail dogs are able to engage directly with a driving faceplate slot or a chuck jaw but can crowd work off centre if clearance is not present between the dog tail and a closed end of the faceplate slot. Straight tail dogs do not present the issue of crowding work off centre but require at least one driving stud to be mounted on the faceplate. If the rotating mass of the dog setup is not balanced, eccentric motion of the work may occur. Counterbalancing or reduced spindle speed may be required. Care must be taken by the operator when using lathe dogs, as it is easy to get snagged on one. Use of headless setscrews, preferably of multiple-spline drive design, that do not protrude above the outer surface of the dog is recommended. A lathe dog may also be used with some indexing heads and other tools with similar faceplates that turn about a center.
A bench hook is a workbench appliance used in woodworking to hold a workpiece in place while crosscutting with a hand saw. A bench hook is a simple method used to improve accuracy and safety.
A lathe faceplate is a basic workholding accessory for a wood or metal turning lathe. It is a circular metal plate which fixes to the end of the lathe spindle. The workpiece is then clamped to the faceplate, typically using t-slot nuts in slots in the faceplate, or less commonly threaded holes in the faceplate itself.
A C-clamp or G-clamp or G-cramp is a type of clamp device typically used to hold a wood or metal workpiece, and often used in, but are not limited to, carpentry and welding. Often believed that these clamps are called "C" clamps because of their C-shaped frame, or also often called C-clamps or G-clamps because including the screw part, they are shaped like an uppercase letter G. However, in fact, they were originally called a carriage maker's clamp, or Carriage Clamp.
A holdfast or hold fast is a form of temporary clamp used to hold a workpiece firmly to the top or side of a wooden workbench or the top of an anvil.
This glossary of woodworking lists a number of specialized terms and concepts used in woodworking, carpentry, and related disciplines.
Buttress thread forms, also known as sawtooth thread forms or breech-lock thread forms. are screw thread profiles with an asymmetric shape, having one square face and the other slanted. They are most commonly used for leadscrews where the load is principally applied in one direction. The asymmetric thread form allows the thread to have low friction and withstand greater loads than other forms in one direction, but at the cost of higher friction and inferior load bearing in the opposite direction. They are typically easier to manufacture than square thread forms but offer higher load capacity than equivalently sized Trapezoidal thread forms.
In engineering, a dog is a tool or part of a tool, such as a pawl, that prevents or imparts movement through physical engagement. It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement. Or it may couple various parts together so that they move in unison – the primary example of this being a flexible drive to mate two shafts in order to transmit torque. Some devices use dog clutches to lock together two spinning components. In a manual transmission, the dog clutches, or "dogs" lock the selected gear to the shaft it rotates on. Unless the dog is engaged, the gear will simply freewheel on the shaft.
A workbench is a specialized table used by woodworkers. Among its key features are a flat, solid work surface and one or more means of holding work while being tooled.
A shaving horse is a combination of vice and workbench, used for green woodworking. Typical usage of the shaving horse is to create a round profile along a square piece, such as for a chair leg or to prepare a workpiece for the pole lathe. They are used in crafts such as coopering and bowyery.
https://www.woodworkmag.com/woodworking-vises-types/
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