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CASE STUDY

Precision Die Lubrication for High-Pressure Forging

A major automotive parts manufacturer was overdosing its forging die lubricant by 83% — delivering 2.2 grams per shot against a 1.2-gram specification — because its pneumatic pump system couldn’t dose repeatably inside a 3.5-second forging cycle. Spraymation engineered a dual-channel precision dispensing system that dropped into the plant’s existing PLC, manifold, and nozzle infrastructure. The result: on-spec dosing, $46,500 in annual lubricant waste eliminated, water use cut in half, and full payback in under three months.

Results at a glance

$46,500

Annual lubricant cost eliminated

 

<3 Mo

Payback period

 

50%

Reduction in water usage

 

83%

Overdose eliminated

 

Project Overview

Industry

Automotive Parts Manufacturing

 

Application

Die Lubrication — High-Pressure Forging

 

Product

Steel Engine Valves

 

Coating

Oil-Based Graphite Die Lubricant

 

The Challenge

The manufacturer operates a high-pressure forging process (500 PSI) using oil-based graphite die lubricant to form steel billets into unfinished engine valves. The process requires two different lubricant weights applied at two separate intervals — inside a tight 3.5-second cycle. Precision is non-negotiable: too much lubricant drives up material costs, while too little locks the forging die and causes costly downtime.

The existing PLC-controlled system — two pneumatic diaphragm pumps feeding pressurized lubricant through OEM manifolds — created compounding problems:

[01]

PLC reprogramming downtime.

Any timing adjustment required an engineer, leaving the line idle while changes were made.

[02]

Unreliable pumps.

The pneumatic diaphragm pumps could not deliver consistent shot weights at cycle speed.

[03]

Non-repeatable dosing.

The system was delivering 2.2 grams per shot against a 1.2-gram specification — an 83% overdose on every cycle.

[04]

Rising costs.

Excess consumption drove up both lubricant purchasing and drum recycling expenses.

The Spraymation Solution

Spraymation engineered a dual-channel precision dispensing system to replace the unreliable pump setup — integrating seamlessly with the customer’s existing PLC, manifold, and nozzle infrastructure.

Key System Components

Dual Channel 2008 Controller. Receives the existing PLC trigger input. Channel A is programmed to deliver 0.8 g (time-based), with Channel B delivering 0.4 g on a slight delay — coordinated to Step 2 of the forging die cycle.

24 VDC air solenoids. Controller outputs drive a pair of air solenoids controlling two 22AUH spray nozzles — fast, repeatable actuation within the 3.5-second cycle.

Drop-in integration. The solution reused the customer’s existing manifold and nozzle infrastructure, minimizing installation complexity and line downtime.

Validation Process

Before installation, 20 dose samples were collected from the existing pumps to establish a quantified baseline — testing that confirmed the 83% overdose. The Spraymation system was then validated against the same sampling protocol, confirming accurate, repeatable dosing at the engineered weights before commissioning. Baseline first, proof second: the same measurement discipline Spraymation applies to every system it ships.

The Results

Metric Before After Annual Impact
Annual lubricant cost 31 drums/yr @ $1,500 Precise, on-spec dosing $46,500/yr saved
Drum recycling cost 31 drums @ $10 Reduced drum count $310/yr saved
Water for die cleanup 50 gal/day 25 gal/day 50% reduction
Dose accuracy 2.2 g (83% over spec) 1.2 g (on spec) Repeatable and accurate
System adjustments Engineer required Operator adjustable Downtime eliminated

The financial picture: At 17 grams per minute, 20 hours a day, 6 days a week, 50 weeks a year, the legacy system consumed roughly 13,600 lbs of lubricant annually — 31 fifty-five-gallon drums at $1,500 each. On-spec dosing eliminated that waste entirely. Add $310 per year in drum recycling and an estimated $780 per year in water and sewer savings from halved die-cleanup water use, and the total payback period came in under three months.

The environmental picture: The 50% water reduction also meaningfully cut hazardous waste generation — fewer recycled drums and less oil-contaminated wastewater entering the plant’s waste stream.

Why Spraymation

65+ years of spray automation expertise

Full in-house engineering and system integration

Factory-validated before shipment

Drop-in compatibility with existing PLC and nozzle infrastructure

Get Started

Ready to Discuss Your Application?

If your dispensing process is overdosing to stay safe — or your dosing system needs an engineer every time it needs an adjustment — Spraymation can quantify your baseline, engineer the fix, and validate it against your own spec before it ships.

Case Study CS-2026-TC-001 | © Spraymation Holdings Inc. 2026 | ISO 9001:2015 Certified

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