Knuth 7.4HP 76” Turnado 280/2000 Lead Screw and Feed Shaft Lathe 320560

Description

The machines of the Turnado series are the modern version of the classic lathe. They are characterized by robust construction, a powerful motor and high level of versatility. With the extensive range of standard accessories and options, these machines can be adapted to many production requirements. A modern position indicator is also part of the standard equipment, as is a high-quality quick-change toolholder system. The models in this series have proven themselves many times and have been one of Knuth’s best-selling conventional lathes for more than 20 years.

Features

• Cost-effective, lasting value
• Practically arranged control panel with ergonomic layout of selection levers
• Wide bed, ground and hardened
• Offset tailstock for taper turning
• Large number of thread leads
• Removable gap bridge for machining of large parts
• Stop spindle with adjustable travel stops

3-Axis Position Indicator

• Resulting in valuable time savings
• For increased productivity
• Easy to read display
• Operator-specific features
• Convenient keyboard layout
• Resolution: 0.0004 / 0.0002"
• Default coordinates
• Axis position is maintained when display is turned off
• Hole circle pattern calculation
• Calculator function
• Storage for 10 tools
• Radius / diameter toggle
• Mm/inch conversion
• Easy expansion and maintenance-free operation
• Display for top (Z0) and box way slide (Z1) both separate and in differential / cumulative mode for lathes
• Integrating multiple functions, this new generation of 3 axis digital readouts significantly offer a much better control over the machining processes, greatly decreasing down-times and error rates
• It features a totally sealed enclosure made of high quality polyester film which protects it against hazardous enviroments in shop floors, such as dust or fumes and offers excellent chemical resistance to most commonly used industry solvents
• Optische Maßstäbe: 5 μm Auflösung (0,005 mm) mit Außenabdeckung aus Aluminium zum Schutz vor Öl, Kühlmittel und Spänen
• Basic Functions
  • Auflösung 0,005 mm
  • Spindle control ON/OFF
  • Unit measurement conversion Inch / Metric
  • Setting / Reseting current position
  • Coordinate display switching ABS / INC
  • Radius / Diameter display
  • Z1/Z2 Axes summing
  • Pocket calculator functions
• Extended Functions
  • Axis position is maintained when display is turned off
  • Hole circle pattern calculation
  • Radius / diameter toggle
  • Reference function for tool gauging
  • Taper turning function

Standard Equipment

• 3-axis position indicator
• 3-jaw chuck Ø 12 inch
• 4-jaw face chuck Ø 14 inch
• Face plate Ø 17.7 inch
• Quick tool changer head WC
• Quick change tool holder WCD 32150
• Coolant system
• Steady and follow rests
• Spindle
• Fixed splash guard (wall)
• Chuck guard
• Foot brake pedal
• LED work lamp
• Reducing sleeve
• Dead center
• Thread gauge
• Operating tools
• Operator instructions

Specifications

• Working Area
  • Center height: 11”
  • Workpiece length (max.): 76”
  • Turning-Ø over support: 14”
  • Gap bridge length: 7”
  • Bed width: 14”
  • Turning diameter over gap bridge: 31”
  • In-gap diameter over bed: 22”
• Details
  • Equipment: with position indicator
• Travels
  • Travel X-axis: 12.4”
  • Travel Z1-axis: 5”
  • Swing range of top slide: ± 52°
• Headstock
  • Spindle mount: Camlock D1-8
  • Spindle bore: 3”
  • Spindle taper: 7 MT
  • Spindle speeds: (12) 25 - 1600 rpm
• Feed
  • Feed X-axis: 0.00079”/R - 0.02256”/R
  • Feed Z-axis: 0.00232”/R - 0.0648”/R
• Threading
  • Threading, metric: 0.2 mm - 14 mm
  • Threading, module: 0.0039 in - 0.2756 in
  • Threading, withworth: (60) 2-112 TPI
  • Threading, diametric: (50) 4-112 DP
• Tailstock
  • Tailstock taper: 5 MT
  • Tailstock quill stroke: 7”
  • Tailstock quill diameter: 3”
  • Tailstock traverse adjustment: ± 0.47”
• Drive Capacity
  • Motor rating main drive: 7.4 Hp
• Measures and Weights
  • Overall dimensions (length x width x height): 132” x 46” x 58”
  • Weight: 5,984 lbs.

Options

• 146483 – 4-Jaw Lathe Chuck Steel 12 inch
• 103025 – Quick-Set Spindle Bore Stop Size 9 3.1-3.6 inch
• 103301 – Tool Holder WCD 32x150
• 103302 – Tool Holder WCD 32x170
• 103303 – Tool Holder WCD 40x150
• 103304 – Tool Holder WCD 40x170
• 103305 – Tool Holder WCD 45x170
• 103307 – Tool Holder WCH 50x160
• 103308 – Tool Holder WCJ 40x160
• 103309 – Tool Holder WCJ 50x160
• 103310 – Cut-off insert holder WCA-A3a
• 103835 – Reduction Sleeve MT 5/2
• 103840 – Reduction Sleeve MT 5/3
• 103845 – Reduction Sleeve MT 5/4
• 116523 – 3-Jaw Lathe Chuck Cast-Iron 12 in
• 116553 – Soft Jaw Pads 12 in
• 116625 – 4-Jaw Lathe Chuck Cast Iron 12 in
• 116653 – Soft Jaw Pads 315
• 116674 – 4-Jaw Face Plate Chuck 12 in
• 116692 – Soft Jaw Pads 12 in
• 108670 – Clamped Turning Tool Set 0.98 in
• 103184 – Coolant Concentrate 5 Ltr.
• 106760 – Live Center MT 5
• 123040 – Power Worker Metal Cutter
• 103350 – Radius Cutting Head
• 108520 – Knurl Holder
• 108521 – Knurl Set, angles
• 103332 – Pivoted Mounts LK 6
• 108675 – Indexable Insert Set 0.98 in, 30 pcs.