Bench lathe with high flexibility TH 6620D OPTIMUM

Bench lathe with high flexibility TH 6620D OPTIMUM. The TH 6620D OPTIMUM lathe stands out for its high flexibility and precision. With a hardened Z-axis guide and a concentricity superior to 0.015 mm, it guarantees exceptional performance. Its design includes central lubrication, safety electronics, and an efficient braking system. Additionally, it features safety handwheels, emergency switches, and an easy-to-clean cooling device. With dimensions of 3650x1500x1785 mm and a load capacity of 1.4 tons per square meter, it is ideal for demanding jobs.

FEATURES

• Hardened and ground Z-axis guide
• Guaranteed concentricity of the spindle tip better than 0.015 mm
• Camlock spindle holder DIN ISO 702-2 No. 8
• Lead screw cover
• Precision machined slide
• All guides can be adjusted using wedge strips.
• Right/left rotation on the bed slide switchable via a switching spindle
• Two-channel safety electronics
• Central lubrication on the bed slide
• Adjustment range of the upper slide ± 90
• Smooth running gears, hardened and ground, mounted on 2 adjustable precision tapered roller bearings
• Clearly arranged selector lever for changing feed speeds
• Closed design of the high-speed feed gearbox
• Hardened and ground gears and shafts, operating in an oil bath in precision bearings.
• Decoupled handwheels tested according to EN 23125
• Safety handwheels with decoupling function on the X-axis
• Handwheels with adjustable fine scale 0.04 / 0.02 mm
• Safety limit switch with positive opening contacts
• Switch with life cycle calculation, tested according to EN ISO 13849
• Emergency stop switch, motor protection switch, lockable main switch
• LED machine lamp
• Cable carrier for careful routing of cables and hoses
• Emergency stop device with foot control
• Cooling device with separate coolant tank with level indicator and oil separator; easy and complete draining and cleaning according to DIN
• Electric motor brake with emergency quick stop: quick stop without overshoot during normal operation
• Quick change steel support SWH 9-D
• 1 steel support 41 x 180 type D for 32 mm square chisel

TECHNICAL SPECIFICATIONS

Cooling lubricant system

• Coolant pump output 150 watts

Dimensions and weights

• Load capacity 1.4 tons per square meter
• Approximate length 3650 millimeters
• Approximate width/depth 1500 millimeters
• Approximate height 1785 millimeters
• Approximate weight. 3345 kilograms

Electrical data

• Drive motor output 9 kW
• Total nominal value 10 kW
• Supply voltage 400 volts
• Network frequency 50 Hz
• Rapid movement speed
• Rapid movement 3800 mm/min
• Explanations on rapid movement Max. 5 min (30 min rest)

Feed

• Longitudinal feed range 0.044 – 1.48 mm/rev
• Number of longitudinal feeds 25
• Flat feed range 0.022 – 0.74 mm/rev
• Number of flat feeds 25

Threads

• Metric pitch 0.45 – 120 mm/rev
• Number of metric pitches 54
• Imperial range 80 – 7/16 Gg/1"
• Number of imperial pitches 60
• Diametral pitch 7/8 – 160
• Number of diametral pitches 42
• Modular thread pitch 0.25 – 60 mm/rev
• Number of modular thread pitches 46

Speed range

• Number of gears 16
• Speed range 25 – 1600 min¯¹

Spindle

• Spindle chuck Camlock DIN ISO 702-2 No. 8
• Spindle hole diameter/rod passage diameter 105 millimeters
• Maximum tool holder height 32 millimeters
• Spindle cone Ø 113 (cone 1:20) mm

Tailstock

• Throw MK 5
• Quill stroke 235 millimeters
• Quill diameter 90 millimeters

Axes

• Upper slide travel 230 millimeters
• Cross carriage travel 368 millimeters
• Travel carriage saddle 1965 millimeters

Working areas

• Maximum height 330 millimeters
• Maximum width 2050 millimeters
• Turning diameter over the machine bed 660 millimeters
• Swing diameter in the bed bridge 900 millimeters
• Swing diameter over the planning carriage 440 millimeters
• Turning length in the bed bridge 250 millimeters
• Bed width 400 millimeters
• VPE 1

COMPONENTS/PACKAGING

Unit: pcs.

Packaging unit: 1

• Max. fixed bevel step Ø 150 mm
• Max. movable bevel step Ø 130 mm
• Machine light
• Reducer sleeve MK 5 / MK 7
• Fixed centering point MK 5
• Fixed central point MK 5, alloyed
• Quick change steel support 9-D
• Steel support 41 x 180 type D for square chisels
• Position stop with fine adjustment
• Gear change set
• Quality oil included
• Operating tool

EQUIPMENT

Digital position indicator DPA 31 Plus

FOR WHAT TYPE OF WORK IS IT SUITABLE

The bench lathe with high flexibility TH 6620D OPTIMUM is suitable for:

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

CERTIFICATION

- EN ISO 13849: The EN ISO 13849 standard focuses on the safety of control systems related to machinery, establishing requirements for the design and evaluation of these systems to ensure safe operation and minimize failure risks that could cause injury or damage. It defines performance levels (PL) that must be achieved according to risk, considering the probability and consequences of failures, and covers aspects such as redundancy and system diagnostics to ensure reliability in the workplace.

- EN 23125: The EN 23125 standard addresses safety in the handling of bulk materials, establishing requirements for the design and use of equipment, ensuring the safety of operators and minimizing risks.