Coil slitting software for arbor setup in seconds.

Professional slitting line software used by steel service centers and coil processing operations worldwide. Enter your coil width, slit pattern, and spacer inventory, get a buildable arbor stack map with BOM, ready for the shop floor.

Never generates a setup you cannot build

Uses only the spacers and knives you have in stock

Start free trial Try the free calculator, no signup or request a live demo

✓ 14-day free trialNo credit card required·🌍 Used by slitting operations in 10+ countries

Built by Maxwell Slitter Industries, 35 years on the line

Step 4: Setup CompleteReady

Ready1250mm coil • 3 widths • 14 strips

Arbor Stack MapDatum Loading 0.04mm

Top (Metal)Fixed →

← LoadingBottom (Rubber)

MetalRubberKnifeClamp

All 23 parts in stockError: ±0µm

Assembly

1CR → 25 end

2Knife → 100 × 5

3Knife → 75 × 4

4Knife → 80 × 5

525 end → CR

Parts

Metal14

Rubber12

Knives13

Shims4

What is coil slitting software?

Coil slitting software calculates how knives and spacers are arranged on a slitting arbor, turning the strip widths you need and the tooling you have into a buildable setup and a bill of materials. OptiStack Pro does this from your real inventory, validating every stack and refusing setups you cannot build.

Shop-floor Setup Preview

See exactly how your arbors will look, individual spacer components within each pocket

Why Switch

Why steel service centers switch to OptiStack

vs. how most slitting operations handle arbor setup today

Capability	OptiStack Pro	Excel / Paper	Generic ERP
Builds from actual inventory only	✓	✗	✗
Detects unbuildable setups before loading	✓	✗	✗
Arbor stack map with visual diagram	✓	✗	✗
Printable shop-floor PDF with BOM	✓	Manual	Some
Shimless + plastic shim modes	✓	✗	✗
Alternating knife engagement	✓	✗	✗
Typical setup time	< 1 min	45 to 120 min	30 to 60 min

Start free trial, see the difference

14-day free trial · No credit card required

35+

Years of Slitting Expertise

Decades of real factory-floor experience built into every algorithm

10+

Countries Using OptiStack

Steel service centers across Asia, Europe, and the Americas

<60s

Average Setup Time

From job entry to printable shop-floor BOM

What Operators Say

“We used to spend 45 minutes per setup with spreadsheets. OptiStack cut that to under a minute, and we haven't had a single mis-build since.”

R. Kumar

Shift Supervisor · Steel Service Center, India

“The inventory-aware solver is a game-changer. Every setup it generates is actually buildable, no more surprises on the shop floor.”

M. Santos

Plant Manager · Coil Processing, Brazil

See it in action, start free trial

Join slitting operations worldwide · No credit card required

Smart Setup Finder

Finds best spacer combination from your inventory

Ready

Step 1

Your Spacers Loaded

847 items

Step 2

Target Width Entered

127.73 mm

Step 3

Best Fit Calculated

0.3 sec

Step 4

Load Order Generated

BOM Ready

Result

Setup Ready for Shop Floor

Error

±0 µm

±5 µm

Tolerance

100%

Inventory-Based

Inventory-Optimized

Inventory-Aware Solver

Automated slitting line setup, from your actual inventory.

Our solver scans your complete spacer inventory and finds the optimal combination for any target width, using only what you actually have in stock. Every setup is buildable. Every BOM is verified against your real parts.

Scans your full inventory to find the best spacer combination

Eliminates burrs by optimizing knife-to-spacer positioning

Generates load order ready for the shop floor in seconds

Algorithm Performance

Live

99.7%

Edge Quality

<0.3s

Solve Time

100%

Inventory-Verified

Optimal slitting machine configuration generated

Try for free

Slitting line setup software that
generates arbor setups + BOM.

Save machine presets, load your knife/spacer inventory, and generate a printable setup map for every job.

One-time Setup

Machine presets

Store arbor dimensions, reserves, and clearance rules once. We handle the math for every future build.

Strict Inventory

Inventory-only builds

Algorithms that use only the knives and spacers you actually have in stock, no physically impossible setups.

Load-Ready Output

Setup map + BOM

Generate a top & bottom arbor build sheet with exact spacer widths and quantities for the shop floor.

Generate a setup or request a live demo

14-day free trial · No credit card required · Setup takes 2 minutes

Built on 35+ Years of Factory Floor Experience

Built with 35+ years of slitting-line experience.

OptiStack isn't just software; it's the culmination of decades on the factory floor. We've refined our algorithms to solve real-world challenges that generic ERPs miss.

Longer Knife Life

Rotation guidance that reduces edge wear and extends time between regrinds.

Zero-Error Visualizations

Interactive 2D diagrams for arbor setup, ensuring operators get it right the first time.

Dynamic Waste Reduction

Intelligent trim management that recovers value from every coil millimeter.

v2.4.0-STABLE

Efficiency Report+12.4% vs Baseline

Powered byMaxwell Slitter Industries

Support

Frequently Asked Questions

Quick answers about OptiStack's shimless tooling and fractional kit workflow.

What is slitting knife software?

Slitting knife software like OptiStack Pro is a specialized tool that generates slitter arbor setups and assembly sequences for coil slitting operations. It helps operators build correct knife and spacer stacks from their available inventory.

How does slitter knife setup software work?

You enter your coil width, desired slit widths, machine specifications, and available tooling inventory. The software calculates the optimal knife and spacer arrangement for both top and bottom arbors, generating a buildable stack map and BOM.

How much time does OptiStack save per slitting job changeover?

Most operators report saving 45-90 minutes per changeover compared to manual calculation or Excel spreadsheets. On a line running 5+ changeovers per week, that's 4-7 hours per week recovered — typically $6,000-$18,000 in annualized labor savings at standard shop rates.

Can OptiStack help reduce burrs and edge defects?

Burrs are primarily caused by incorrect spacer stacking leading to knife misalignment. OptiStack eliminates the arithmetic errors that cause these positioning mistakes. Additionally, the alternating (zig-zag) knife engagement mode distributes stress more evenly, which reduces burr formation on thin-gauge material.

Can OptiStack generate printable slitter setup sheets?

Yes. OptiStack generates export-ready PDF setup sheets with clear assembly order lists (BOM) for both arbors. The sheets include exact spacer widths, quantities, and positions—ready for print or digital reference on the shop floor.

Can OptiStack work without plastic shims?

Yes. OptiStack supports shimless operation using Fraction Kits (F-0.10 and F-0.01 spacers). This allows decimal width accuracy without plastic shims, using only metal inventory for professional-grade setups.

How does the system handle plastic shims?

OptiStack includes a dedicated "Plastic Shim Mode". When enabled, the algorithm will first solve using metal spacers, then automatically calculate the remaining gap and suggest the precise plastic shim combination required to reach 0.00mm tolerance.

Is the Imperial unit conversion accurate for precision work?

Absolutely. OptiStack stores all values in high-precision floating point numbers. The UI toggle simply changes the display format. No rounding errors are introduced by switching view modes.

What happens if my inventory can't build the setup?

OptiStack will not fake a setup. If your inventory cannot realize the required pocket widths within your tolerance band, it returns a blocking reason and a missing tools list (exact spacer widths and quantities needed).

How does edge quality management work?

Once a job is saved, you can assign edge quality ratings (1-8 scale) to each slit's inbound and outbound edges. Reference images help ensure consistent ratings. All edge quality data exports to your PDF setup sheets for quality control documentation.

Does OptiStack connect to my existing ERP or inventory system?

OptiStack maintains its own dedicated spacer and tooling inventory database, optimized specifically for slitting operations. You import your spacer inventory once (CSV or manual entry), then OptiStack manages it from that point. It does not require ERP integration — it is designed to be standalone and shop-floor ready.

Can I manage multiple slitting machines in one account?

Yes. OptiStack supports multiple machine presets within a single account. Each machine stores its own arbor dimensions, clamp reserves, and clearance rules. When creating a job, you select the machine — the algorithm automatically applies the correct constraints for that specific line.

What is coil slitting software?

Coil slitting software works out the knife and spacer arrangement for a slitting arbor. From the strip widths you need and the tooling you have on hand, it produces a buildable stack, a load sequence, and a bill of materials, so setup no longer depends on hand arithmetic or one veteran operator.

Do I need software to set up a slitting line?

No, crews have set up slitting lines by hand for decades. Software helps when changeovers are frequent, strip counts are high, or tolerances are tight, because it removes the arithmetic errors and inventory guesswork that slow a manual build and make setup quality depend on a single experienced person.

What is the difference between coil slitting software and a spreadsheet?

A spreadsheet does arithmetic but does not know your tooling. Coil slitting software validates every stack against your real spacer and knife inventory, refuses setups you cannot actually build, and outputs a load sequence and bill of materials. A spreadsheet will happily calculate a stack from parts you do not own.

Can coil slitting software work with my existing tooling inventory?

Yes, that is the point. You enter the spacers, knives, and shims you actually stock, and the software builds each pocket only from those parts. If a width cannot be reached with what you have, it tells you before you load the arbor instead of after the test cut fails.

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