Glossary

Tommy Industrial®

METALWORKING GLOSSARY

UPDATED MARCH 2026
205+ TERMS • SEARCHABLE

A

Air Bending

Most common bending method on hydraulic press brakes where the punch does not fully bottom in the die. Allows quick angle changes with the same tooling. Used on all Tommy Industrial 33–440 ton models.

AKAS Laser Safety

Fiessler German laser safety system that creates an invisible protective field in front of the die. Instantly stops the ram if interrupted. Standard or optional on Tommy press brakes.

Arbor Press

Compact heavy-duty bench press (e.g. TIAP-5 model) with welded steel frame for pressing bearings, bushings, and pins. Up to 5.8 tons force.

B

Back Gauge

Programmable multi-axis stop system (X, R, Z1/Z2) behind the die for precise repeatable positioning on press brakes and shears.

Band Saw

Continuous-loop blade saw for straight, miter, or contour cuts in bar and tube stock. Semi-automatic and automatic models available.

C

CNC

Computer Numerical Control automation used on Genius 8+1 Axis spinning machines, press brakes, and turret punch presses.

CNC Metal Spinning Machine

A computer-controlled lathe that shapes sheet metal discs into rotationally symmetrical, hollow parts (cones, cylinders, hemispheres).

Cold Saw

Low-RPM circular saw (MC-315A, MC-350HYD models) for clean, burr-free metal cuts with carbide blades and coolant.

Crowning System

Automatic or electric-mechanical bed compensation for perfectly straight long bends. Featured on larger Tommy press brakes.

D

DA-41T Controller

Compact touchscreen CNC for conventional press brakes with basic axis control.

DA-42T Controller

Advanced conventional press brake control with graphical programming support.

DA-53T Controller

Compact touchscreen CNC for press brakes with up to four axes and numerical programming.

DA-53Tx Controller

Enhanced compact touchscreen CNC for synchronized press brakes with improved graphics.

DA-58T Controller

2D graphical touchscreen CNC for synchronized press brakes with full programming capabilities.

DA-58Tx Controller

Updated 2D graphical CNC with enhanced touch interface and offline programming support.

DA-66T Controller

High-end 2D graphical modular CNC for advanced press brake applications.

DA-66S Controller

State-of-the-art 2D graphical CNC in the DA-60S series with maximum flexibility.

DA-69T Controller

High-end 3D graphical modular CNC for complex press brake operations.

DA-69S Controller

Top-of-the-line 3D graphical CNC in the DA-60S series for ultimate productivity.

DAC-300T Controller

Compact touch CNC for advanced shear applications with user-friendly interface.

DAC-360T Controller

Versatile touch shear control with support for multiple back gauge axes and angle control.

DAC-362T Controller

Enhanced shear CNC with advanced programming and cutting angle control features.

DA-66W Controller

Retrofit press brake control with Windows-based interface for reliable operation.

Daylight (Open Height)

Maximum vertical opening between ram and bed when retracted. Generous daylight on all Tommy press brakes for tall tooling.

Delem DA53T

Popular 2D touchscreen CNC control system available on Tommy Industrial hydraulic press brakes.

Die

Lower forming tool (V-die or multi-V) on press brakes and ironworkers. American-style and European-style available.

Drill Press

Heavy-duty vertical drilling machines with automatic tap reversing and variable speed (1-axis and 3-axis MT4/MT5 models).

E

English Wheel

Tool used to form compound curves in sheet metal.

ESA 875W

Advanced touchscreen CNC control option on premium Tommy press brakes with offline simulation.

F

Fiber Laser

High-speed precision cutting system with IPG laser sources for sheet metal and plate.

Free In-House Training

Complimentary hands-on training at the Wausau, WI facility with every new machine purchase.

G

Genius 8+1 Axis

Flagship CNC control on 3D Precision 120 TON 8' and 190 TON 10' metal spinning machines with laser measurement and automatic compensation.

Gear Hobbing Machine

Specialized machine for cutting precise gear teeth in high-volume production.

H

Heavy Duty Lathe

Lathe designed for large and heavy workpieces with high power and rigidity.

Horizontal Machining Center

Machining center with horizontal spindle for multi-sided machining of large parts.

Horizontal Milling Machine

Milling machine with horizontal spindle for various cutting operations.

Hydraulic Ironworker

Multi-station machines (55 Ton–337 Ton) for punching, shearing, notching, and pressing. Oversized work tables and custom tooling standard.

Hydraulic Press Brake

Core bending machines from 33 TON 5' to 440 TON 20' tandem. Includes servo models with VisiTouch 19MX, Delem DA53T, or ESA 875W controls.

Hydraulic Shear

Guillotine-style sheet and plate cutters with numerical control and variable rake angle.

I

IPG Lasers

Premium fiber laser sources used in Tommy Industrial laser cutting systems.

K

K-Factor

The ratio of the distance from the inner face of the bend to the neutral axis divided by material thickness. Used to calculate accurate bend allowance and flat patterns.

L

Light Curtain

Infrared safety beams paired with AKAS or Lntech systems that stop ram motion if interrupted.

Linear Guide Rail

Precision rail system on press brakes for smooth, accurate ram movement.

N

NC Controller

Numerical Control system for basic automated operation of shears and entry-level press brakes.

P

Pinch Point

The dangerous area between the upper punch and lower die where the material is formed. All Tommy Industrial press brakes include safety guarding at this point.

Plate Rolling Machine

Heavy-duty rolls for curving sheet and plate into cylinders and cones.

Plasma Table

CNC plasma cutting table for precise plate cutting.

Press Brake Tonnage

Bending force rating (33 TON 5' to 440 TON 20' tandem) — see our tonnage charts for material calculations.

R

Ram

Moving upper beam on press brakes that carries the punch and delivers force.

Rear Safety Curtain

Power-off protection curtain at the rear of press brakes for added operator safety.

S

S 875W Controller

Top-of-the-line CNC for press brakes with a 21'' multi-touch screen and up to 156 axes.

S 860W Controller

High-performance CNC for press brakes with a 19'' multi-touch screen and up to 156 axes.

S 850W Controller

Economical CNC for press brakes with a 19'' multi-touch screen and up to 156 axes.

S 850 CNC Controller

Top-of-the-line compact CNC for press brakes with a 15.6'' touch screen and up to 8 axes.

S 840 CNC Controller

Compact CNC for press brakes with a 15.6'' touch screen and up to 6 axes.

S 830 CNC Controller

Entry-level CNC for press brakes with a 10.1'' touch screen and up to 4 axes.

S 825 CNC Controller

Compact CNC for shears with a 7'' touch screen and up to 3 axes.

Servo Press Brake

Energy-efficient, high-speed models (69 TON 8' to 176 TON 10') with servo motors and 220 volt 3 phase power.

Slip Roll

Machine for rolling flat sheet into cylinders or arcs.

Springback

The tendency of metal to partially return toward its original flat shape after bending due to elastic recovery.

Strokes Per Minute (SPM)

Production speed rating (up to 25 SPM) on ironworkers and press brakes.

T

Tandem Press Brake

Synchronized multiple machines (up to 440 TON 20') for bending extra-long plates in one pass.

Throat Depth

Reach from frame to working center (11.81"–23.62") on ironworkers and punch presses.

Tube Bender

Hydraulic or manual machine for bending tube and pipe.

Turn-Key Financing Solutions

Complete leasing and financing packages for all Tommy Industrial machines.

V

Vertical Lathe

Lathe with vertical spindle for machining large, heavy workpieces.

VisiTouch 19MX

Intuitive 19" touchscreen CNC control with 3D visualization and automatic bend sequencing on premium press brakes.

W

Wausau, WI

Headquarters and training facility (115 South 84th Avenue) offering free in-house training and demos.

Y

Y1 / Y2 Axes

Independent ram cylinder control on multi-axis press brakes for precise parallelism and crowning.

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115 South 84th Avenue, Wausau, Wisconsin • 1-844-895-3316 • sales@tommyindustrial.com