Bench lathe TH 3309 OPTIMUM

TH 3309 OPTIMUM tempered bench lathe. The TH 3309 OPTIMUM lathe offers high precision with a concentricity of ≤ 0.015 mm and adjustable guides. Its spindle operates in an oil bath and features safety electronics. It includes adjustable handwheels, an LED lamp, and a height-adjustable tailstock. With a robust design and advanced features, it is ideal for demanding tasks. Its base provides compartments for tools, and the emergency stop device ensures safety during use. With solid dimensions and a powerful motor, it is perfect for professional tasks.

FEATURES

• Tempered and ground Z-axis guide
• Precision machined slide
• Guaranteed concentricity of spindle tip ≤ 0.015 mm
• Lead screw cover
• All guides can be adjusted using gibs.
• Switchable right/left rotation on the bed slide
• Two-channel safety electronics
• 24 V DC electrical system with two-channel safety circuit according to EN 23125
• Switch with proven service life calculation according to EN ISO 13849
• Smooth-running, tempered, and ground gears
• The main spindle operates in an oil bath
• Upper slide adjustment range ± 90°
• Integrated LED machine lamp in chip protection
• Handwheels with fine adjustable scale 0.04 / 0.02 mm
• Decoupled handwheels tested according to EN 23125
• Safety handwheels with decoupling function on X and Z axes
• Heavily grooved prism bed, induction tempered and precisely ground
• Adjustable tailstock ± 10 mm for taper turning
• Tailstock and handwheel with fine adjustable scale of 0.02 mm
• Quick, easy, and tool-free adjustment using clamping lever
• Machine base with tool compartment on the right side (left side with 3 panels (no compartments))
• Lockable main switch
• Quadruple steel support
• Emergency stop device with foot control
• Rotating chuck protection tested according to EN 23125
• Interchangeable gear set included as standard

TECHNICAL SPECIFICATIONS

Dimensions and weights

• Approximate length: 1685 millimeters
• Approximate width/depth: 745 millimeters
• Approximate height: 1320 millimeters
• Approximate weight: 510 kilograms

Electrical data

• Drive motor output: 1.5 kW
• Power supply voltage: 400 volts
• Network frequency: 50 Hz

Feed

• Longitudinal feed range: 0.052 – 1.392 mm/rev
• Number of longitudinal feeds: 32
• Flat feed range: 0.014 – 0.38 mm/rev
• Number of flat feeds: 32

Threads

• Metric pitch: 0.4 – 7 mm/rev
• Number of metric threads: 26
• Imperial pitch: 56 – 4 Gg/1"
• Number of imperial threads: 34

Speed range

• Number of speeds: 16
• Speed range: 70 – 2000 min¯¹

Spindle

• Spindle chuck: DIN ISO 702-2 No. 4
• Spindle hole diameter/rod passage diameter: 38 millimeters
• Maximum tool holder height: 16 millimeters
• Spindle cone: MK 5

Tailstock

• Throw: MK 3
• Quill stroke: 110 millimeters
• Quill diameter: 32 millimeters

Axis

• Upper slide travel: 98 millimeters
• Cross slide travel: 164 millimeters
• Bed saddle travel: 695 millimeters

Working areas

• Maximum height: 165 millimeters
• Maximum width: 830 millimeters
• Turning diameter over the machine bed: 330 millimeters
• Swing diameter over the cross slide: 208 millimeters
• VPE: 1

COMPONENTS/PACKAGING

Unit: pcs.

Packaging unit: 1

• Steady rest Ø 6 - 50 mm
• Follow rest Ø 8 - 30 mm
• LED machine lamp
• Reducer sleeve MT 5 - MT 3
• Two fixed centers MT 3
• Quadruple tool holder of 16 mm
• Replaceable gear set
• Machine chassis
• Machine initially filled with premium oil.
• Operating tool

FOR WHAT TYPE OF WORK IS IT SUITABLE

The TH 3309 OPTIMUM tempered bench lathe is suitable for:

• Machining parts
• Prototyping
• DIY
• Education
• Craft industry

CERTIFICATION

Stürmer Group Quality Management System certified according to ISO 9001:2015

ISO 9001 is a globally recognized standard for quality management. It helps organizations of all sizes and sectors improve their performance, meet customer expectations, and demonstrate their commitment to quality.

Its assessment basis includes:

Customer requirement orientation

Compliance with standards and guidelines

Knowledge management

Clearly defined process flows

Corporate responsibility

Sustainability, development, and innovation

Risk management