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Designed for applications involving small and deep threads, Carmex’s new MTSB Mini Mill-Thread is equipped with coolant bores that facilitate chip removal through the use of high-pressure coolant. Constructed of solid carbide with advanced PVD triple coating, the MTS works at high machining parameters for increased productivity.
An increased number of flutes shorten cycle times and, combined with coolant, improve tool life. Although designed specifically for deep thread milling operations, the MTSB can be used on any operation requiring better performance and high thread quality. Thread sizes range from M1.2 to M16 and 0-80 to 7/16-20UNF.
Jim White, national sales manager for Carmex USA, comments, “The new MTSB is ideal for use in thread milling operations on horizontal machining centers or in complicated applications where external coolant cannot wash the
chips away. It is also useful where the tool collet is in close proximity to the prehole and blocks the external coolant. It excels in high-heat resistant materials and delivers a smooth finish.
“Carmex’s extensive experience in virtually all aspects of thread milling has enabled us to identify problem areas and define the correct solution. The increasing use of Swiss-style machining and applications requiring smaller tools
have made our Mini Mill-Thread line extremely popular. Customers will find that the MTSB is a welcome addition for improved accuracy, longer tool life, and efficient chip evacuation is required.”
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- collet
collet
Flexible-sided device that secures a tool or workpiece. Similar in function to a chuck, but can accommodate only a narrow size range. Typically provides greater gripping force and precision than a chuck. See chuck.
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- flutes
flutes
Grooves and spaces in the body of a tool that permit chip removal from, and cutting-fluid application to, the point of cut.
- gang cutting ( milling)
gang cutting ( milling)
Machining with several cutters mounted on a single arbor, generally for simultaneous cutting.
- milling
milling
Machining operation in which metal or other material is removed by applying power to a rotating cutter. In vertical milling, the cutting tool is mounted vertically on the spindle. In horizontal milling, the cutting tool is mounted horizontally, either directly on the spindle or on an arbor. Horizontal milling is further broken down into conventional milling, where the cutter rotates opposite the direction of feed, or “up” into the workpiece; and climb milling, where the cutter rotates in the direction of feed, or “down” into the workpiece. Milling operations include plane or surface milling, endmilling, facemilling, angle milling, form milling and profiling.
- physical vapor deposition ( PVD)
physical vapor deposition ( PVD)
Tool-coating process performed at low temperature (500° C), compared to chemical vapor deposition (1,000° C). Employs electric field to generate necessary heat for depositing coating on a tool’s surface. See CVD, chemical vapor deposition.
