Zone: Multi-Spindle Screw Machines

OVERVIEW: As an automatic lathe, the multi-spindle screw machine allows multiple tools to cut multiple pieces of material simultaneously. Usually configured in 4, 5, 6 or 8 spindle models, each spindle is attacked by a cross-slide and end-slide tool effectively making each spindle a 2-axis lathe. As CNC is applied to some or all slides on these historically cam actuated machines, their ability to machine complex and high accuracy parts has grown significantly. Numerous attachments are available for use on one or more stations for specific metalworking operations. The multiple spindles are carried in a precision machined drum that rotates in a horizontal orientation. In production, the operations needed to be performed on a part are divided among the number of spindles. Because each spindle station is being machined simultaneously, when the drum indexes from one station to the next a complete part is produced. In other words on a six-spindle multi, six parts are completed with one full rotation of the drum. While the cycle time on a single spindle machine is additive--it’s the sum of the operations performed—because the multi-spindle is cutting six parts simultaneously its cycle time is simply whichever is the longest single operation performed. Multi-spindles are either automatic bar or chucker depending on the raw stock being used. Bar machines uses a drum feeder that aligns the machine’s spindle number. On a chucker the first station is loaded externally using a feeder system and increasingly, a robot or gantry loader. Bar machines usually employ collets to hold the raw stock while chuckers use either collets or external chuck to secure the workpiece. Multi-Spindle Trends: Individually programmable spindle motors Linear axis motors on tool slides Internal gantry load/unload and palletization In-process gaging and sensing Quick change tooling Closed loop feedback for tool compensations Compound slides for single point turning Robotic loaders

Featured Zone Content

Making Complex Parts Profitably

In a highly competitive global market, finding ways to manufacture domestically and profitably is an ongoing challenge. This Massachusetts shop has found a way using CNC multi-spindles....MORE

Hybrid Multi-Spindle: Look Ma, No Cams

As the volume production market migrates from mechanical multi-spindle machines, builders are creating machine tool technology tiers that apply the correct level of cost and capability to the application. ...MORE

Here, Multi-Spindles are Alive and Well

While the nature of multi-spindle work has changed over time, the demand for parts produced using this technology remains strong for this Midwest contract manufacturer, which successfully blends older cam and new CNC multi-spindle machine technologies. ...MORE

Yama Seiki Goodway GTW

Multi-Axis Turning Center Machines Front and Back Efficiently

Yama Seiki offers Goodway’s GTW series multi-axis turning centers for the medical and automotive industries, capable of efficiently completing complex workpieces front and back. ...MORE

Index MS16 Plus lathe

Six-Spindle Turning Center Provides 27 NC Axes

Index’s MS16 Plus lathe accommodates parts as large as 22 mm in diameter and is capable of turning, drilling, milling, tapping, deep-hole drilling or slotting in each of its six CNC spindles. ...MORE

Making Complex Parts Profitably

In a highly competitive global market, finding ways to manufacture domestically and profitably is an ongoing challenge. This Massachusetts shop has found a way using CNC multi-spindles. ...MORE

MS16 CNC Multi-Spindle Lathe Features Six Spindles

With the new extended version Index MS16 Plus in the MultiLine series, the multi-spindle lathe features six spindles for as large as 22-mm diameter parts. ...MORE

Gosiger Shimada ISM B6-27 multi-spindle bar machine

Multi-Spindle Machine Combines CNC, CAM Automatic Capabilities

Gosiger High Volume, in collaboration with Shimada, offers the ISM B6-27 hybrid multi-spindle bar machine, incorporating integrated spindle motors into Shimada’s No-Cam technology, and combining hydraulic slides for roughing and CNC slides for finishing. ...MORE

Loading the player ...