BOZE CNC Ti | Coolant System

Through-Spindle High-Pressure Coolant System HPC System

ChipBLASTER, LNS, MP Systems class — through-spindle high-pressure coolant systems delivering 70-150 bar at 40-80 L/min for titanium machining. The single most impactful upgrade for titanium material removal rates and tool life.

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Entity Definition

What is a Through-Spindle High-Pressure Coolant System?

A through-spindle high-pressure coolant (HPC) system delivers filtered coolant at pressures of 70-150 bar (1,000-2,175 psi) directly through the spindle and cutting tool to the cutting zone. For titanium machining, this is the single most impactful equipment upgrade available. HPC blasts chips from the cutting zone before they can be recut, prevents work hardening, removes heat from the cutting edge, and extends tool life by 2-5 times compared to conventional flood coolant.

Classification

Coolant Delivery System — Through-Spindle High Pressure
Equipment Category

Coolant & Chip Management

Common Names

HPC System Through-Spindle Coolant High-Pressure Coolant Coolant Booster Pump TSC (Through-Spindle Coolant)

Key Characteristics

  • Delivers coolant at 70-150 bar (1,000-2,175 psi) directly to the cutting edge
  • Flow rate of 40-80 L/min for effective chip evacuation and heat removal
  • 10-20 µm filtration via centrifuge + bag filter cascade for clean coolant delivery
  • Mandatory for titanium deep-hole drilling beyond 3× diameter
  • Extends tool life 2-5× compared to conventional flood coolant systems
  • Enables higher cutting speeds and material removal rates in titanium
  • Prevents chip welding and built-up edge on cutting tools
  • Reduces thermal distortion of thin-wall titanium workpieces
Standards & Certifications

Applicable Standards & Certifications

HPC systems conform to the following standards:

ISO 4414 — Pneumatic fluid power — General rules for systems
ISO 4413 — Hydraulic fluid power — General rules for systems
CE Marking — European Machinery Directive 2006/42/EC (when integrated as safety component)
NFPA 79 — Electrical standard for industrial machinery
Machine OEM interface specification per spindle manufacturer
Technical Specifications

Technical Specifications

Recommended specifications for titanium-capable high-pressure coolant systems:

Parameter Specification
Operating Pressure 100–150 bar (1,450–2,175 psi)
Flow Rate 40–80 L/min
Tank Capacity 400–800 L
Filtration 10–20 µm centrifuge + bag filter
Delivery Method Through-spindle + through-tool
Pump Power 11–15 kW
Coolant Type Full-synthetic, 6–10% concentration
Monitoring Digital pressure + flow + concentration
Power Requirement 15–20 kVA
Operations & Capabilities

Applications & Operations Enabled

HPC systems enable and enhance the following titanium machining operations:

Deep-hole drilling (>3× diameter) — mandatory for reliable chip evacuation through gun drills and carbide drills
High-MR roughing — enables higher feed rates and depths of cut by preventing chip recutting
Slotting and pocketing — flushes chips from confined toolpaths preventing packing
Thread milling — clears chips from thread forms for consistent quality
Trochoidal milling paths — complements dynamic milling strategies for continuous chip evacuation
Peck drilling cycles — reduces number of pecks required, faster cycle times
Reaming and finishing operations — improves surface finish through consistent chip clearance
Typical Products & Components

Integrated Systems

HPC systems are integrated as a component of the following machine tool systems:

5-axis machining centers — through-spindle HPC integration for complex titanium machining
Turn-mill CNC machines — through-turret and through-spindle HPC for bar-fed production
3-axis VMCs — retrofit HPC for titanium machining capability upgrade
CNC lathes with live tooling — sub-spindle and turret HPC delivery
Dedicated HPC booster modules — standalone units for multiple machine integration
Primary Industries

Primary Industries

HPC systems are essential equipment across these industries:

Aerospace — Titanium structural components requiring deep-hole drilling and high-MR roughing
Medical — Bone screw and implant manufacturing requiring fine surface finishes
Automotive — High-performance titanium component production
Oil & gas — Downhole tool manufacturing with deep features
General titanium machining — Any operation involving significant material removal in titanium
Alternative & Complementary Options

Alternative Cooling Strategies

Depending on application requirements, the following cooling alternatives may be considered:

Standard Flood Coolant (20 bar) — Acceptable for light finishing and simple turning but insufficient for heavy roughing or deep-hole drilling
Cryogenic Machining (LN₂/CO₂) — Emerging technology with promising results for titanium; not yet standard practice. Pilot testing recommended before adoption.
MQL (Minimum Quantity Lubrication) — NOT recommended for titanium due to insufficient heat removal capacity
High-Volume Flood (low pressure, high flow) — Alternative for rough turning where chip evacuation is less critical than heat removal

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About Boze Titanium Manufacturing Center

One Metal. One Focus. Infinite Precision.

Founded in 2011 in Baoji's Titanium Valley, BOZE Metal is dedicated exclusively to titanium — from raw material to precision engineering. AS9100D, ISO 13485 & ISO 9001 certified with 500+ clients across Aerospace, Medical & Motorsport industries, we deliver end-to-end precision titanium CNC machining with full material traceability from source to component.

Boze CNC Ti is the dedicated titanium manufacturing center of Baoji Boze Metal Products Co., Ltd.

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