Bench lathe with digital indicator TH 3309D OPTIMUM

Bench lathe with digital indicator TH 3309D OPTIMUM. The TH 3309D OPTIMUM lathe offers high precision with a concentricity of ≤ 0.015 mm and adjustable guides. Its spindle in an oil bath and safety electronics ensure safe use. It includes adjustable handwheels, an LED lamp, and an adjustable tailstock for taper turning. Its robust design features compartments for tools and an emergency stop device. With solid dimensions and a powerful motor, it is ideal for professional tasks that require precision and reliability.

FEATURES

• Tempered and ground Z-axis guide
• Precision machined slide
• Guaranteed concentricity of the spindle tip ≤ 0.015 mm
• Feed screw cover
• All guides can be adjusted using gibs.
• Right/left rotation switchable 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 life cycle calculation according to EN ISO 13849
• Soft-running, tempered, and ground gears
• The main spindle operates in an oil bath
• Adjustment range of the upper slide ± 90°
• Integrated LED machine lamp in the chip guard
• Handwheels with adjustable fine scale 0.04 / 0.02 mm
• Decoupled handwheels tested according to EN 23125
• Safety handwheels with decoupling function on the X and Z axes
• Heavily grooved prism bed, induction tempered and precisely ground
• Adjustable tailstock ± 10 mm for taper turning
• Tailstock and handwheel with adjustable fine scale of 0.02 mm
• Quick, easy, and tool-free adjustment via 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: 1590 millimeters
• Approximate weight: 512 kilograms

Electrical data

• Drive motor output: 1.5 kW
• 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 taper: MK 5

Tailstock

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

Axes

• Upper slide travel: 98 millimeters
• Cross slide travel: 164 millimeters
• Carriage travel: 695 millimeters

Working areas

• Maximum height: 165 millimeters
• Maximum width: 830 millimeters
• Turning diameter over the bed of the machine: 330 millimeters
• Swing diameter over the carriage: 208 millimeters
• Turning length in the bed bridge: 430 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
• Reducing 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 high-quality oil.
• Operational tool

EQUIPMENT

Digital position indicator DPA 31 Plus

FOR WHAT TYPE OF WORK IS IT SUITABLE

The bench lathe with digital indicator TH 3309D OPTIMUM is suitable for:

• Machining parts
• Prototyping
• DIY
• Education
• Cottage 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 evaluation basis includes:

Customer requirement orientation

Compliance with standards and guidelines

Knowledge management

Clearly defined process flows

Corporate responsibility

Sustainability, development, and innovation

Risk management