NMX‑MWF‑200 / Rev 01 / Fluids Lab · SS 304 / Noida · India 2026 · Product Page

NMX-MWF-200 · DELIVERED — PETROLEUM R&D PROGRAMME

Metal working fluid test rig. The cut is the test.

Name: Metal Working Fluid Test Rig — Real-Time MWF Evaluation
Brand: Neometrix

A turnkey rig that evaluates soluble, semi-synthetic and synthetic metal-working fluids (MWF) the only way that counts — by machining with them — while eighteen parameters stream live from the fluid and the cut: concentration, pH, microbial growth, turbidity, friction force, power. An automatic mixing system holds the emulsion within 1% of set concentration; external high-pressure coolant reaches 200 bar. Supplied, installed and commissioned at the R&D centre of an Indian public-sector petroleum major — engineered and built at Noida.

Enquire — fluid test rigs Capability sheet (PDF)

Representative render — metal working fluid test rig: an enclosed CNC machining centre with viewing windows beside a stainless-steel coolant monitoring cabinet with inline instruments and an HMI screen, inside a walk-in fume hood frame with glass sash panels

Fig · 01 The rig — representative render: machining centre, monitoring cabinet and fume-hood frame

HP Coolant

200bar · 30 L/min external

Concentration Hold

±1% · automatic mixing

Live Parameters

18logged · trends & alerts

Spindle

12,000rpm · 22.4 kW platform

Fume Hood

8,000CFM · walk-in

ISO 9001 / 14001 Delivered — supplied & commissioned Government of India R&D customer ASHRAE 110 · NFPA-45 practice Noida · India

Overview

Lab tests screen a coolant. Machining tells the truth.

A metal-working fluid lives a hard life: heat, pressure, tramp oil, hard water, bacteria, time. Beaker-scale tests predict some of that. What a formulator, blender or plant engineer finally needs to know is how the fluid behaves in the cut — and what it costs to keep it in condition. This rig answers both, with numbers.

Representative render — stainless-steel coolant monitoring skid of the metal working fluid test rig: inline sensor cells and transmitters plumbed with small-bore tubing on a panel, with an HMI screen showing simple trend curves

Fig · 02 The monitoring loop — inline fluid-health instruments (representative render)

The rig is built around a working principle: the cut is the test. A CNC machining centre — 762 × 406 × 508 mm travels, 22.4 kW spindle to 12,000 rpm — machines real workpieces with the fluid under evaluation. While it cuts, an instrumented coolant loop measures the fluid, and machining-side sensors measure the process: friction force between tool and job, tool and job temperatures, power and energy, motor speed and torque. Change the fluid, the concentration, the pressure or the flow, and the effect shows up in the data — not in an operator’s impression.

The second principle: condition is controlled, not observed. Inline instruments track concentration by refractometry, pH, conductivity, nitrate, turbidity, water hardness, temperature and microbial growth. When concentration drifts past 1% or the sump level moves 10%, the automatic mixing system corrects it — always with oil-in-water emulsion, never raw oil or water — from an in-line mixer and a 200-litre water tank. The fluid stays where the test plan says it should be, run after run.

A coolant fails slowly, then suddenly. This rig watches the slowly — concentration, pH, bugs, stability — so the suddenly never reaches the spindle.

Delivered · Commissioned

Installed, demonstrated, handed over

The rig was supplied, installed and commissioned at the R&D centre of an Indian public-sector petroleum major — coolant monitoring, machining operation and 200-bar high-pressure delivery demonstrated at acceptance, operators trained, machine handed over.

Measured · End to End

Fluid and process in one dataset

Eighteen parameters stream into one log — fluid health on one axis, machining behaviour on the other — so a formulation change can be traced from emulsion stability through friction force to the power meter, in the same timebase.

Contained · By Design

A walk-in fume hood around the work

The machining and fluid systems operate inside a walk-in fume hood extracting 8,000 CFM at 120 FPM face velocity through a flameproof-certified remote blower — mist and vapour leave through ducting, not into the laboratory.

Architecture

One fluid loop, closed around a machining centre.

The diagram below is the delivered coolant circuit as the design documents define it — conditioning, delivery, the machine, the monitoring loop, and the containment and data systems around them.

FIG · 03DELIVERED CIRCUIT · AUTO-MIX → MACHINE → MONITORING LOOP

Fig · 03 Water and concentrate to auto-mix, tank and 200-bar delivery through the machine, back through seven inline fluid-health instruments

Arc · 01

Fluid Conditioning

Water and customer concentrate feed an in-line automatic mixer that fills and maintains a 100-litre coolant tank, with level and foam sensing at the machine sump. The control loop holds concentration within 1% and sump level within 10%, topping up only with correctly proportioned oil-in-water emulsion from a 200-litre water reserve — so no test run is quietly diluted or enriched by its own make-up water.

Arc · 02

Coolant Delivery

Three regimes cover the machining envelope: the machine’s 70 bar / 25 L/min through-spindle circuit, low-pressure flood cooling, and an external triplex-pump system delivering 0–200 bar at up to 30 L/min through an unloader and relief protection to a nozzle-and-lance arrangement — demonstrated at the full 200 bar during commissioning.

Arc · 03

The Monitoring Loop

Used fluid returns from the sump through a monitored branch: inline refractometry for concentration, pH, conductivity, nitrate, turbidity, water hardness and temperature, with a turbine flowmeter and 0–210 bar pressure transmitters (0.25% of full scale, SS316 wetted) — plus microbial monitoring, emulsion particle-size analysis and metered oil and water usage. A handheld verification kit — refractometers, pH, turbidity and hardness meters, dip slides — ships with the rig for cross-checks.

Arc · 04

Containment, Control & Data

The work happens inside a walk-in fume hood (~15 × 10 × 15 ft, horizontal sash, 5 mm toughened glass) extracting 8,000 CFM at 120 FPM through PP-FRP ducting and a flameproof-certified remote blower, following ASHRAE 110, ANSI/AIHA Z9.5 and NFPA-45 practice. A PLC/SCADA layer with HMI and an industrial touch PC logs all eighteen parameters continuously, trends them, serves them securely to mobile devices, and pushes alerts before limits are reached.

Holding a fluid-evaluation, coolant-management or lubricant test-rig requirement? Send it across — parameter-by-parameter response within two working days · [email protected]

Send tender spec

Specifications

Reference specification, as delivered.

The parameters below reflect the rig as supplied and commissioned. Machine envelope, pressure classes and the instrument set are re-scoped against your specification.

Full specification — expand

Product	Metal working fluid (MWF) test rig — turnkey design, build, installation, commissioning, training and handover of a machining-based fluid evaluation system with automatic condition control
Fluid Classes	Soluble, semi-synthetic and synthetic metal-working fluids · all wetted materials and paints MWF-compatible
Concept	CNC machining centre cuts real workpieces with the fluid under test · fluid parameters and machining response measured simultaneously in one timebase
Machining Platform	Travels X 762 / Y 406 / Z 508 mm · table 914 × 356 mm · spindle 22.4 kW · 12,000 rpm · 122 Nm @ 2,000 rpm
Coolant Circuits	Through-spindle 70 bar / 25 L/min · low-pressure flood · external high-pressure triplex system 0–200 bar / 0–30 L/min with unloader, relief and 0–400 bar gauge · nozzle and rigid lance for external delivery
Auto Condition Control	Concentration held within ±1% · sump level within ±10% · in-line mixing system · emulsion-only make-up (never raw oil or water) · ≥200 L water tank · level and foam sensing · visual foam check
Fluid Instruments	Inline concentration (refractometry) · pH · conductivity · nitrate · turbidity (emulsion stability) · water hardness · coolant temperature · microbial (bacterial/fungal) monitoring · emulsion particle-size analysis · oil-usage and water-usage metering
Process Instruments	Tool–job friction force · tool, job and coolant temperatures · power/energy meter · motor speed and torque · turbine flowmeter 3–30 L/min · pressure transmitters 0–210 bar, 0.25% FS, SS316 wetted · differential pressure
Data System	PLC / SCADA with HMI and industrial touch PC · 18 parameters logged continuously · trend analysis, graphics, statistics and reports · secure remote access from Android/iOS devices · push alerts as parameters approach limits
Fume Containment	Walk-in fume hood ~15 × 10 × 15 ft · horizontal sash, 5 mm toughened glass (>24,000 psi) · 8,000 CFM at 120 FPM face velocity · silent remote centrifugal blower with flameproof-certified 12 kW motor · PP-FRP ducting ≥30 m² · ASHRAE 110:2016, ANSI/AIHA Z9.5, NFPA-45, UL practice
Construction	SS 304 tank, piping, fittings and control panel · lockable valves with metal identification tags · relief protection on the hydraulic system · MWF-resistant painting
Safety & Duty	Machinery-directive-aligned safety and ergonomics (2006/42/EC or IS equivalent) · interlocks and safety controls · designed for uninterrupted 24×7 operation
Verification Kit	Handheld digital and manual refractometers · digital pH, turbidity and hardness meters · chloride and hardness strips · bacterial/fungal dip slides — for manual cross-verification of the inline instruments
Documentation	2D and 3D general-assembly and detail drawings · O&M manuals · instrument calibration and test certificates — hard and soft copies
Delivery Model	Design and design-approval → build → site installation including fume-hood civil, electrical and ducting work → commissioning → operator training → handover
Status	Delivered — supplied, installed, commissioned and handed over at the customer’s R&D centre · configurable to customer specification

PDF · 1 page

Metal Working Fluid Test Rig — Capability Sheet

Tender Response

Send your specification — parameter-by-parameter compliance in two working days

Variants

One fluid discipline, sized to the laboratory.

Requirements call this an MWF test rig, a coolant evaluation system or a cutting-fluid performance bench. The architecture answers all of them.

Var · 01

The Delivered Rig

The configuration on this page — machining centre, 200-bar external coolant, eighteen logged parameters, ±1% automatic concentration control, walk-in fume hood — as supplied and commissioned for a petroleum R&D programme.

Var · 02

Monitoring-Only Skids

The inline fluid-health loop — concentration, pH, conductivity, turbidity, microbial, hardness — packaged as a standalone skid with auto-mixing, retrofittable to a laboratory’s existing machine tools or a plant’s central coolant system.

Var · 03

Other Machine Envelopes

The same instrumentation discipline around larger or smaller machining platforms, turning centres or grinding machines — wherever the fluid question is asked of a different process.

Var · 04

The Wider Fluids Line

Hydraulic-fluid pump-wear test rigs, lubrication systems and fluid-power endurance benches from the same engineering line — one supplier discipline for fluid evaluation and fluid power.

Applications

Where it serves.

Wherever a fluid claim needs machining data behind it.

A · 01Petroleum & lubricant R&D centres — MWF formulation and performance trials

A · 02Metal-working-fluid suppliers — QC, batch release and benchmark testing

A · 03Machine shops & OEM plants — coolant-programme validation and cost-per-part studies

A · 04Additive & biocide developers — stability, corrosion and microbial-control evidence

A · 05Tribology & manufacturing institutes — friction, energy and machinability research

A · 06Plant engineering teams — coolant health audits and troubleshooting with data

FAQ

Common questions.

Plain-language answers from the engineering team.

Q · 01 How is this different from your hydraulic fluid test rig?

Different fluid, different physics, different question. Our test rig for hydraulic fluid evaluates hydraulic oils by running them through standardised pump-wear circuits and weighing the wear parts — the question is lubricity under hydraulic-power conditions. This rig evaluates water-mix metal-working fluids by machining with them — the questions are emulsion stability, corrosion control, microbial life, cooling and lubrication in an interrupted cut, and the economics of keeping the fluid in condition. One rig loads a pump; the other loads a cutting edge.

Q · 02 Why test on a real machining centre instead of a laboratory bench?

Because the failure modes that matter are process failures. Bench methods — titration, corrosion coupons, foam cells — are excellent screens, and this rig does not replace them: it supplies the handheld kit for exactly those cross-checks. But a fluid’s real report card is written in the cut: friction force between tool and job, spindle power for the same material removal, temperature at the tool, surface behaviour as the emulsion ages. By instrumenting an actual machining centre, the rig correlates fluid chemistry with machining response in one synchronised dataset — which is the evidence a formulation decision, a supplier change or a concentration policy actually needs.

Q · 03 How does the automatic concentration control work?

An inline refractometer reads the emulsion continuously, and level sensing watches the sump — including foam, which fools simple float switches. When concentration drifts more than 1% from setpoint, or level moves 10%, the control system corrects it through an in-line mixing device fed from the water tank and the concentrate supply. The critical rule: make-up is always pre-mixed oil-in-water emulsion at the correct ratio — never raw water, which dilutes, and never raw concentrate, which enriches unevenly. That is what keeps a week-long evaluation statistically honest: the fluid’s condition is a controlled variable, not a drifting one.

Q · 04 Why do microbial growth and turbidity matter so much?

Because most water-mix coolants die biologically, not mechanically. Bacteria and fungi consume emulsifiers and additives, split the emulsion, drop the pH, corrode machines and produce the classic Monday-morning smell — and by the time an operator notices, the sump is already lost. The rig watches the leading indicators continuously: microbial activity, turbidity as a proxy for emulsion stability, pH, nitrate and hardness. Bacterial and fungal dip slides are supplied for laboratory-grade verification of what the inline instruments report. The result is a documented fluid-life story: not “it lasted about six weeks”, but the curve of exactly how it aged.

Q · 05 What does 200-bar external high-pressure coolant add?

Pressure is a fluid test of its own. High-pressure delivery drives coolant into the cutting zone for chip evacuation, deep-hole and hard-machining duties — and it stresses an emulsion mechanically: shear through a triplex pump, an unloader and a fine nozzle will find weaknesses in droplet stability that a flood circuit never exercises. With the machine’s own 70-bar through-spindle circuit, low-pressure flood, and the external system continuously variable to 200 bar at up to 30 L/min, the rig lets an evaluation sweep the whole delivery envelope and log how the fluid — and the cut — respond. The full 200 bar was demonstrated live at commissioning.

Q · 06 What is the delivery status — and can you build to our specification?

The rig on this page is delivered: designed, approved, built, installed and commissioned at the R&D centre of an Indian public-sector petroleum major, with monitoring, machining and 200-bar high-pressure operation demonstrated at acceptance and the customer’s team trained on the machine, with O&M documentation handed over. The architecture re-scopes to your requirement — a different machine envelope, a monitoring-only skid for an existing machine, other pressure classes, additional instruments or your laboratory’s layout and containment rules — with a parameter-by-parameter compliance response returned within two working days of receiving the specification.

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Get a quotation

Send your fluid
test requirement.

The Projects desk replies within two working days with a parameter-by-parameter compliance response and a budgetary quotation. Write to [email protected] or use the form.

Enquire — fluid test rigs Capability sheet (PDF) +91 7777 876 876

ISO 9001 / 14001 DELIVERED — GOVT OF INDIA R&D CUSTOMER ASHRAE 110 · ANSI/AIHA Z9.5 · NFPA-45 MADE IN NOIDA · INDIA

Metal working fluid test rig. The cut is the test.

Lab tests screen a coolant. Machining tells the truth.

Installed, demonstrated, handed over

Fluid and process in one dataset

A walk-in fume hood around the work

One fluid loop, closed around a machining centre.

Fluid Conditioning

Coolant Delivery

The Monitoring Loop

Containment, Control & Data

Reference specification, as delivered.

One fluid discipline, sized to the laboratory.

The Delivered Rig

Monitoring-Only Skids

Other Machine Envelopes

The Wider Fluids Line

Where it serves.

Common questions.

Fluid & endurance test systems from Neometrix.

Test Rig for Hydraulic Fluid

Oil-Flooded Screw Compressor Test Rig

Pressure Cycle Test System

Send your fluid
test requirement.

Similar Products

Share This Page

Metal working fluid test rig. The cut is the test.

Lab tests screen a coolant. Machining tells the truth.

Installed, demonstrated, handed over

Fluid and process in one dataset

A walk-in fume hood around the work

One fluid loop, closed around a machining centre.

Fluid Conditioning

Coolant Delivery

The Monitoring Loop

Containment, Control & Data

Reference specification, as delivered.

One fluid discipline, sized to the laboratory.

The Delivered Rig

Monitoring-Only Skids

Other Machine Envelopes

The Wider Fluids Line

Where it serves.

Common questions.

Fluid & endurance test systems from Neometrix.

Test Rig for Hydraulic Fluid

Oil-Flooded Screw Compressor Test Rig

Pressure Cycle Test System

Send your fluidtest requirement.

Similar Products

Share This Page

Send your fluid
test requirement.