TSK2120A×2000mm Deep Hole Drilling And Boring Machine 2000mm Max Processing Depth

3‑SENTENCE VALUE SNAPSHOT

Many manufacturers spend extra time on separate equipment for deep hole drilling and pre‑boring of hydraulic cylinder blanks. This TSK2120A×2000mm deep hole drilling and boring machine combines BTA drilling and push‑boring processes on one unit. It adopts split heavy cast bed and dual servo‑driven axes to deliver stable heavy‑cutting performance. It achieves IT9‑IT11 tolerance for drilled holes and IT8‑IT9 tolerance for fine boring work. This machine is well suited for pre‑machining of hydraulic cylinder barrels and various long tubular deep‑hole workpieces.

Core Advantages

The machine bed adopts resin‑sand cast heavy‑duty split structure. Each segment is connected by high‑strength bolts and positioned with taper pins. Castings go through normalization and two‑time aging treatments to eliminate internal stress. Double rectangular precision ground quenched hard guide rails are fitted. Internal V‑shaped inclined reinforcing ribs greatly improve structural rigidity and anti‑deformation capacity. Precision heat‑treated helical rack is installed inside for stable feeding transmission. Oil return grooves with oil shields are cast around the bed for automatic cutting‑oil recycling.

The headstock is fixed on the left side of machine bed to drive workpiece rotation. It has manual three‑speed gear shifting with stepless speed within each gear range. Servo spindle motor transmits power through belt and gearbox unit. Gears are precision ground and high‑frequency quenched to obtain high strength and wear resistance. Independent external circulating lubrication oil tank is equipped with low‑liquid‑level alarm. Local button panel on headstock provides spindle jog, feed jog and emergency‑stop functions for convenient on‑site operation. The oil pressure head completes workpiece clamping, tool guiding and cutting‑oil supply. Servo motor drives its axial movement, which can run under torque mode or position mode to tighten or release workpieces of different lengths. High‑rigidity rotary bearings and replaceable rotary sealing components are built‑in for easy maintenance. Drill‑bar supporting sleeve, guide sleeve and cone‑disk positioning assembly are mounted on its front end. Push‑pull type oil shield prevents coolant splashing and guides oil flow back to tank.

The drill box is mounted on feeding carriage for cutting‑tool rotation drive. It adopts manual three‑speed gear shifting with inner‑range stepless speed regulation driven by 37KW servo spindle motor. Spindle front‑end tool‑shank sleeve enables drill‑bar mounting. Chip‑removal hopper at rear side discharges cutting chips smoothly. Internal gears receive precision grinding and high‑frequency quenching. Independent external circulating lubrication system comes with low‑liquid‑level alarm function. High‑rigidity integrated drill‑bar support rest holds drill bar steadily during cutting and absorbs cutting impact and vibration. It carries automatic return‑hanging mechanism. When carriage moves backward, the support rest can be automatically pulled back to original position. Workpiece clamping mode combines headstock manual three‑jaw chuck and oil‑pressure‑head cone‑disk for two‑end positioning and locking. Two sets of V‑type workpiece carriers offer pre‑positioning support before clamping. V‑frame height can be adjusted manually by T‑shaped screw. After formal clamping, workpiece will separate from carriers to avoid interference in rotation. The coolant system includes heavy‑duty floor‑mounted fully welded oil tank, cooling pump and chip collection box. It does not require underground pit installation. Retractable protective covers prevent debris from dropping into oil tank. Pressure, flow, liquid level and oil‑temperature data can be digitally displayed on operation station.

Max coolant pressure reaches 2.5MPa and max flow rate reaches 400L per minute with 3900L tank volume. Lubrication arrangement is designed for different functional units. Feeding carriage sliding surfaces get timing‑quantitative lubrication from automatic lubrication station with low‑level alarm. Headstock and drill‑box gears and bearings are served by respective independent circulating oil tanks with liquid‑level monitoring. Oil‑pressure‑head and drill‑bar‑support‑rest carriages are lubricated by manual lubrication pump. DELTA PLC control system manages two servo axes. Z axis controls longitudinal feed movement of drill box via reducer and rack‑pinion mechanism. X axis controls axial movement of oil pressure head for workpiece tightening and releasing. Operation button sets are arranged both on feeding carriage and headstock for flexible operation. Electric cabinet is equipped with cabinet air‑conditioner for stable electrical component working environment.

Ideal Workpieces & Pain Points Solved

Suitable workpieces include hydraulic cylinder barrel blanks and all kinds of long tubular parts which require deep‑hole drilling and pre‑boring processing.

Common production difficulties this machine solves. Extra investment for separate drilling machine and boring machine increases workshop cost. Excessive drill‑bar vibration causes hole skewness and poor straightness in deep‑hole rough machining. Chip removal difficulty during BTA deep‑hole drilling. Frequent coolant contamination affects tool service life. Complicated workpiece alignment and clamping for long tubular blanks.

Quick‑View Key Specs

Drilling diameter range Φ25‑Φ100 mm Boring diameter range Φ40‑Φ200 mm Max processing depth and workpiece length 2000 mm Workpiece outer diameter range Φ60‑Φ400 mm Max workpiece loading weight 3000 kgs Z axis feed speed range 5‑1000 mm per minute, rapid traverse speed 2000 mm per minute, max feed force 60KN X axis oil pressure head rapid traverse speed 2000 mm per minute Drill box spindle speed range 30‑1000 r per minute, main motor 37KW Headstock spindle speed range 30‑1000 r per minute, main motor 37KW Headstock standard chuck Φ400 mm manual three‑jaw chuck Total installed power 112KW Machine floor dimension 10m × 3.3m Spindle center height 400mm above guide‑rail surface Machining accuracy for drilled and rough bored holes IT9‑IT11 tolerance, surface roughness Ra6.3‑12.5μm, hole skewness 0.5mm per 1000mm Machining accuracy for fine‑bored holes IT8‑IT9 tolerance, surface roughness Ra1.6‑3.2μm, hole straightness less than 0.10mm per 1000mm

Full‑version technical datasheet is available upon request.

Standard Equipped

Complete heavy‑duty split cast machine bed assembly. Headstock unit equipped with Φ400 mm manual three‑jaw chuck. Oil pressure head assembly with cone‑disk and guide sleeve components. Drill box assembly with 37KW servo spindle motor. Drill‑bar support rest with automatic hanging return mechanism. Two sets of V‑shape workpiece pre‑positioning carriers. Complete large‑volume floor‑standing coolant circulation system. Feeding carriage assembly. Multi‑unit separated lubrication system with various alarm functions. DELTA PLC control cabinet fitted with cabinet air‑conditioner. Installation anchor bolts and leveling wedges. Full set English mechanical and electrical operation manuals, foundation drawing, factory inspection certificate and standard tool kit.

Optional Custom Accessories

SIEMENS or FANUC upgraded CNC control system. Custom‑made drill bars, boring bars and matching guide sleeves. Special deep‑hole cutting oil for different workpiece material. Oil chiller unit. Chain‑plate automatic chip conveyor. Drum‑type fine filter unit. Custom special fixtures for non‑standard tubular blanks.

Main Famous‑Brand Core Components

Control system adopts DELTA PLC. X and Z‑axis servo motors are from Wuhan MAXSINE well‑known domestic brand. Headstock and drill‑box main spindle motors are MK brand. Spindle bearings for headstock and drill box are Hawalo. Transmission helical rack is Taiwan YYC brand. Main low‑voltage electrical components are SCHNEIDER or SIEMENS. Headstock three‑jaw chuck adopts well‑known domestic brand. Coolant pump unit adopts well‑known domestic brand.

Our Manufacturing Edge

Founded in 2011, we specialize in research development and manufacturing of deep‑hole processing equipment including drilling, boring and honing machines. Our machine tools have been exported to more than 50 countries across the world. We complete full factory pre‑shipment test‑run before machine delivery. Complete English technical documents and foundation installation drawing will be provided. One‑year machine warranty is offered with 8‑hour quick technical response. On‑site commissioning and operator training service can be arranged upon customer request. We accept workpiece‑oriented non‑standard modification.

Get Your Solution - Inquiry

Please share information of your workpiece dimension, tube material and required tolerance. We will prepare targeted technical proposal and formal offer for you promptly.

Contact: Tina

WhatsApp: +86 17857586156

Email: dezhou@dzguanlu.com

Official Websites Deep‑hole series: www.dzgljc.com

Heavy‑duty lathe series: www.novatechlathe.com

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