Zone: Turn/Mill Machines

OVERVIEW: Turn/Mill Machines are machines that are capable of both rotating-workpiece operations (turning) and rotating-tool operations (namely milling and drilling). Generally these machines are based on lathes. The machine is typically recognizable as a horizontal or vertical lathe, with spindles for milling and drilling simply available at some or all of the tool positions. With a machine such as this, a part requiring a variety of operations can be machined in one setup, particularly if a subspindle allows the part to be passed from one spindle to another during machining. More recently introduced turn/mill machines depart from the lathe design into something much more like a hybrid machine—combining a lathe’s chucks and spindles with the travels and milling power of a machining center. One of the most significant issues with these types of machines in general is figuring out just which parts to run on them. Many shops have discovered that, even though these machines developed from lathes, they are not necessarily limited to round parts. Various non-round parts can be machined on the same platform as efficiently, if not more efficiently, than on a machining center.

Featured Zone Content

Use the Machine Tool to Machine Tools

This shop has developed various time-saving tool components by creating them internally, including one tooling solution now being used by other shops as well....MORE

Multitasking Helps Detroit Shop

Brothers Arnot and Matt Heller are 30-something, degreed engineers running Central Screw Products and Detroit Gun Works. They are also fourth generation, hands-on machinists and know a thing or two about machine tools, automation and the critical role of new technology in business growth....MORE

Making the Case for B-Axis Machining

As precision part designs become more complex and the economic pressure to complete more operations in a single setup increase, turning center designs are changing....MORE

The Stem Solution

A small shop committed to labor-saving automation added a nine-axis turning center to machine mountain bike stems. The value of this complex machine is that it delivers a simple process. The learning curve was worth it, the owners say....MORE

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Machining Complex Workpieces Complete

Multi-tasking machines deliver many benefits. ...MORE

Multitasking is Multiple Choice

Different levels of multitasking machine tools address different types of parts....MORE

Optimizing B Axis on Gang Tool-Based Swiss Machines

This technological innovation has been increasing in popularity as well as multitasking sophistication. ...MORE

Two Heads Better Than One in New Hybrid Additive/Subtractive Machine

New Mazak Integrex capable of additive manufacturing includes heads for both high speed and high precision metal deposition. “Natural extension of multitasking,” the company says. ...MORE

Mazak’s Hybrid Multitasking Technology

Mazak Corporation’s Integrex i-400AM (additive manufacturing) hybrid multitasking machine reduces part cycle times while providing high efficiency done-in-one processing. ...MORE

Tool Monitoring for Complex Machining

One of the biggest challenges to tool monitoring on a multitasking machine is coping with simultaneous cutting operations. Caron Engineering (Wells, Maine) designed a system to meet this challenge. ...MORE

Multitasking Goes Vertical

This article looks at part processing and CNC programming considerations for vertical multitasking applications. ...MORE

Starrag Bumotec SA S-191 Linear

Machining Centers Offer High Repeat Accuracy

Available from Starrag, Bumotec SA’s S-191 Linear series of CNC turning/milling centers uses linear motors to ensure maximum precision and reliable repeat accuracy when processing gold, silver or platinum for producing parts such as watch components, medical implants and instruments. ...MORE

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