Bench lathe with smooth operation TH 4615D OPTIMUM

Bench lathe with smooth operation TH 4615D OPTIMUM. The TH 4615D OPTIMUM lathe stands out for its smooth operation and precision. With a hardened Z-axis guide, it guarantees a concentricity of ≤ 0.015 mm. It operates in an oil bath, offering easy and secure adjustment through gibs and handwheels. Its two-channel safety electronics and emergency stop device ensure safe use. Additionally, it features an efficient cooling system and a robust design, ideal for demanding work.

FEATURES

• Hardened and ground Z-axis guide
• Guaranteed concentricity of the spindle tip ≤ 0.015 mm
• The axes, wheels, and main spindle operate in an oil bath.
• Feed screw cover
• Precision machined slide
• All guides can be adjusted using gibs.
• Mechanical cutting of longitudinal feed of the bed slide with four adjustable eccentrics
• 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
• Soft-running, hardened, and ground gears mounted on 2 adjustable precision tapered roller bearings
• Switch with life cycle calculation, tested according to EN ISO 13849
• Great chip protection with integrated LED machine lamp
• Handwheels with adjustable fine scale 0.04 / 0.02 mm
• Safety handwheels with disengagement function according to EN23125 on the X and Z axes
• High-speed feed gearbox with closed design, hardened and ground gears and shafts, operating in an oil bath in precision bearings.
• Adjustable threaded clock scale
• Adjustable tailstock for taper turning ± 10 mm
• Tailstock and handwheel with adjustable fine scale of 0.025 mm
• Quick, easy, and tool-free adjustment of the tailstock using a clamping lever
• Cable routing via cable chain
• Heavily grooved prism bed, induction hardened and precision ground from gray cast iron
• Cooling device with separate coolant tank with level indicator and oil separator; easy and complete draining and cleaning according to DIN
• Emergency stop device with foot operation

TECHNICAL SPECIFICATIONS

Cooling lubricant system

• Coolant pump output 125 watts

Dimensions and weights

• Approximate length 2765 millimeters
• Approximate width/depth 1065 millimeters
• Approximate height 1550 millimeters
• Approximate weight. 1810 kilograms

Electrical data

• Drive motor output 5.5 kW
• Total nominal value 5.8 kW
• Supply voltage 400 volts
• Network frequency 50 Hz

Feed

• Longitudinal feed range 0.031 – 1.7 mm/rev
• Number of longitudinal feeds 42
• Flat feed range 0.014 – 0.784 mm/rev
• Number of flat feeds 42

Threads

• Metric pitch 0.1 – 14 mm/rev
• Number of metric pitches 41
• Imperial range 112 – 2 Gg/1"
• Number of imperial pitches 41
• Diametral pitch 4 – 112 ppp
• Number of diametral pitches 50
• Modular thread pitch 0.1 – 7 mm/rev
• Number of modular thread pitches 34

Speed range

• Number of gears 12
• Speed range 25 – 2000 min¯¹

Spindle

• Spindle chuck DIN ISO 702-2 No. 6 cam lock
• Spindle hole diameter/rod passage diameter 58 millimeters
• Maximum tool holder height 25 millimeters
• Spindle cone MT 6

Tailstock

• Throw MT 4
• Quill stroke 130 millimeters
• Quill diameter 60 millimeters

Axes

• Upper slide travel 125 millimeters
• Cross slide travel 285 millimeters
• Travel carriage saddle 1305 millimeters

Working areas

• Maximum height 230 millimeters
• Maximum width 1560 millimeters
• Turning diameter over the machine bed 460 millimeters
• Swing diameter in the bed bridge 690 millimeters
• Swing diameter over the planning carriage 270 millimeters
• Turning length in the bed bridge 240 millimeters
• Bed width 300 millimeters
• VPE 1

COMPONENTS/PACKAGING

Unit: pcs.

Packaging unit: 1

• Fixed steady rest opening Ø 25 - Ø 178 mm
• Rotating steady rest opening Ø 19 - Ø 114 mm
• LED light for machine
• Adapter MK6-MK4
• Non-rotating center point MK4
• Non-rotating but temperature-resistant center point MK4
• Quick-change steel support SWH 5-B
• Steel support 25 x 120 type D for 20 mm square chisel
• Thread observation
• Interchangeable gear set
• Gears for threading gauge (metric)
• Initial filling of the machine with quality oil
• Operating tool

EQUIPMENT

Digital position indicator DPA 31 Plus

FOR WHAT TYPE OF WORK IS IT SUITABLE

The smooth operation bench lathe TH 4615D 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 machines, 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 based on 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 operator safety and minimizing risks.