Glossary

Backlash Compensation

Definition of Backlash Compensation Backlash compensation in mill drill machines refers to the methods used to counteract the lost motion between the lead screw and nut when changing the direction of table movement. Backlash occurs due to clearance between mating… Read more

Blade Break-In

Band saw blade break-in is the controlled process of wearing in a new blade’s teeth and edges before full-load cutting. During break-in, you run the saw at recommended speeds and feed rates with reduced pressure, typically cutting mild material. This… Read more

Blade Deflection

Band saw blade deflection refers to the lateral or vertical deviation of the blade from its intended cutting path during operation. This displacement is typically caused by excessive feed pressure, improper blade tension, worn blade guides, or unsuitable blade selection… Read more

Blade Kerf

Band saw blade kerf refers to the total width of material removed by the blade during a cut, determined by the tooth set pattern and blade thickness. The kerf is usually slightly wider than the blade body to prevent frictional… Read more

Carbide Blade Inserts

Band saw carbide blade inserts are cutting elements tipped or bonded with tungsten carbide, designed to improve wear resistance and cutting performance. These inserts are integrated into the tooth tips of a band saw blade, providing a much harder cutting… Read more

Center Drill

Definition of Center Drill A center drill in a mill drill machine is a short, stiff tool with a pilot tip and a wider countersinking section, used to create a precise starting point for a subsequent drilling operation. It prevents the… Read more

Climb Milling

Climb milling is a machining technique where the cutting tool rotates in the same direction as the feed of the workpiece. In this method, the chip thickness starts at its maximum and reduces to zero, which reduces heat and tool… Read more

Constant Tooth Pitch

Definition of Constant Tooth Pitch Constant tooth pitch refers to a band saw blade tooth configuration where the distance between adjacent teeth, or tooth pitch, remains uniform along the entire length of the blade. Constant pitch blades are suitable for… Read more

Downfeed

Definition of Downfeed Downfeed is the controlled movement of a band saw blade or mill drill bit towards the workpiece during cutting, typically measured in inches or millimeters per minute. Proper downfeed control is essential for maintaining cutting accuracy, preventing… Read more

Gang Milling

Definition of Gang Milling Gang milling in a mill drill machine setup refers to the simultaneous use of two or more milling cutters mounted on a shared arbor to perform multiple machining operations in a single pass. This technique is typically… Read more

Hook Tooth

Definition of Hook Tooth A hook tooth is a blade tooth geometry where each tooth face leans forward at a positive rake angle, typically between 10° and 20°. You’ll find hook tooth designs on band saw blades and mill drill… Read more

Quill Feed

Definition of Quill Feed Quill feed in a mill drill machine refers to the controlled axial movement of the spindle through a quill mechanism, allowing the operator to advance the cutting tool into the workpiece. This feed can be manual… Read more

Raker Tooth Set

A raker tooth set on a band saw blade is a tooth arrangement where groups of teeth are alternately set left and right, followed by one tooth left unset (the raker). The sequence typically follows a Left-Right-Straight pattern, repeating along… Read more

Relief Angle

Definition of Relief Angle The relief angle, also known as the clearance angle, is the angle between the trailing edge of a cutting tool’s tooth (such as a band saw blade or mill drill bit) and the material being cut.… Read more

Slab Milling

Definition of Slab Milling Slab milling, also known as plain or peripheral milling, is a machining process that creates a flat surface by rotating a milling cutter whose axis is parallel to the workpiece. It’s often the first step in… Read more

Spindle Taper

A spindle taper is the conical interface inside the machine spindle that holds and aligns cutting tools. It ensures that the tool is securely mounted and centered during machining. Spindle tapers come in standard types, such as CAT, BT, HSK,… Read more

Step Over

Step over is the distance between two adjacent tool passes in milling, usually expressed as a percentage of the tool’s diameter. It determines how much material is removed with each pass and directly affects machining time and surface finish. A… Read more

Tap Holder

Definition of Tap Holder A tap holder in a mill drill machine is a tool-holding accessory designed specifically to secure and drive taps during internal threading operations. It typically fits into the machine spindle or a drill chuck and accommodates various… Read more

Tool Path

A tool path is the programmed route that a cutting tool follows during machining operations. It defines the motion of the tool relative to the workpiece and ensures that material is removed in the correct shape and dimension. Tool paths… Read more

Tool Presetting

Definition of Tool Presetting Tool presetting in mill drill machines involves measuring and setting the exact length and diameter offsets of cutting tools before inserting them into the spindle. This can be done offline using a dedicated tool presetter or directly… Read more

Work Coordinate System

A work coordinate system (WCS) is a reference framework in CNC machining that defines the position of the workpiece relative to the machine’s axes. It allows you to program machining operations based on the location of the part rather than… Read more

Work Offset

A work offset is a programmed coordinate system in CNC machining that defines the location of the workpiece relative to the machine’s zero point. It allows the CNC to understand where the part is placed, so cutting operations are carried… Read more

Zero Clearance Insert

A band saw zero clearance insert is a custom or factory-made table throat plate with an opening precisely matching the blade’s kerf width. Unlike standard inserts with wide gaps, a zero clearance insert supports the workpiece material on both sides… Read more

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