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Spring Manufacturing

NAICS 332613 · Fabricated Metal Product Manufacturing · SBA size standard: 600 employees

Spring manufacturers produce custom and standard compression, extension, torsion and wire-form springs from coiled wire. Orders arrive with exact specifications for wire diameter, material, free length, load, rate and finish. The specialists convert customer specs into confirmed production orders, explode orders into raw-material requirements and coiling schedules, schedule machine time on CNC coilers, spring grinders and heat-treat furnaces, track inventory of wire spools and tooling, and manage final testing, packaging and shipment while the owner retains all decisions on quotes, material purchases, heat-treat parameters and quality sign-off.

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What makes this business different

  • Customer spring specifications that include exact wire type and diameter, free length, solid height, load at working length, spring rate, end type, direction of wind, material grade and surface finish
  • Tooling such as coiling points, arbors and grinding wheels that must be tracked, sharpened or replaced per job
  • Raw material inventory consisting of spools of music wire, stainless, chrome-silicon, phosphor-bronze and other alloys kept at precise par levels
  • Machine scheduling across multiple CNC coilers, grinders, setters, heat-treat furnaces and shot-peen equipment with strict setup and changeover times
  • In-process and final load, rate and dimensional testing with recorded results for each batch
  • Heat-treat, plating and coating requirements that vary by order and must be scheduled with outside vendors when not done in-house
  • Packaging and labeling that includes part number, lot number, quantity, load specs and any special handling instructions
  • Repeat customers who reorder the same spring design on a forecast or blanket-order basis
  • Outside vendor coordination for heat-treat, plating or coating when not performed in-house
  • Traceability requirements for material lots, heat numbers and test results

Specialist bots

  • a worker at a desk examining a technical drawing of a coiled metal spring under a magnifying lamp next to a clipboard of specification notes

    Specification Intake Specialist

    Convert every customer drawing and specification into a confirmed production order with complete technical details.

    Works in: Ambitious Tasks, Ambitious Docs, Contract Analyzer · Workflows: Quote intake and order confirmation

    Automates

    • Reads incoming quote requests and drawings
    • Extracts wire type, diameter, length, load, rate, ends and finish requirements
    • Checks against existing part library
    • Drafts formal quotation and confirmation
    • Creates the production order task

    Stops for a person

    • The owner reviews and approves every quotation and price
    • Any non-standard material or tolerance is escalated to engineering
    • A person sends the final quote and handles contract signatures
  • a worker measuring remaining wire on a large spool with a scale in a stockroom lined with metal wire racks

    Material and Tooling Planner

    Calculate exact wire, alloy and tooling needs for each order and maintain accurate inventory levels.

    Works in: Ambitious Sheets, Ambitious Tasks · Workflows: Material and tooling requirements planning

    Automates

    • Explodes spring specs into total wire weight and length
    • Subtracts current spool inventory
    • Identifies required coiling points, arbors and grinding wheels
    • Drafts purchase lists by supplier and alloy

    Stops for a person

    • The owner places all material purchase orders
    • Material substitutions are approved only by the owner or engineer
  • a worker standing in front of several CNC spring coiling machines reviewing a printed schedule taped to a machine panel

    Production Machine Scheduler

    Assign production orders to specific CNC coilers, grinders, heat-treat furnaces and test equipment while respecting setup and capacity limits.

    Works in: Ambitious Tasks, Process Optimizer · Workflows: Coiling and secondary operation scheduling, Outside vendor coordination for heat-treat and finishing

    Automates

    • Groups orders by wire diameter and machine type
    • Calculates run times and changeovers
    • Builds daily machine schedules and operator lists
    • Inserts maintenance windows
    • Drafts vendor processing orders with specifications

    Stops for a person

    • The production manager reviews and adjusts the final schedule
    • Any rush order or priority change is approved by the owner
    • The owner approves all vendor purchase orders
  • a worker using a digital force gauge to compress a metal spring on a test stand while noting readings on a clipboard

    Quality Testing Verifier

    Generate test checklists, record load and dimensional results, and compile traceability records for each batch.

    Works in: Ambitious Tasks, Ambitious Sheets, Ambitious Docs · Workflows: In-process and final quality testing

    Automates

    • Creates test sheets with required load, rate and dimension targets
    • Logs measured results against specification
    • Flags out-of-tolerance parts
    • Assembles batch records including wire lot and heat-treat data

    Stops for a person

    • A technician performs the physical tests and enters the measured values
    • The owner or quality lead reviews and signs off on all final test records
  • a worker weighing a partially used spool of steel wire on an industrial scale inside a metal stockroom

    Inventory and Replenishment Tracker

    Monitor wire spool weights, tooling condition and finished spring stock and generate timely reorder lists.

    Works in: Ambitious Sheets, Ambitious Tasks · Workflows: Wire, tooling and finished-goods inventory management

    Automates

    • Calculates remaining usable wire from spool weights
    • Compares against upcoming production demand
    • Tracks tooling wear cycles
    • Maintains finished-goods levels for repeat orders

    Stops for a person

    • The owner approves every purchase of raw material and tooling
    • Physical cycle counts are performed by warehouse staff
  • a worker placing neatly coiled metal springs into cardboard boxes lined with foam at a packing station

    Packaging and Shipping Coordinator

    Prepare labels, select packaging and generate shipping documents once springs have passed quality checks.

    Works in: Ambitious Tasks, Ambitious Docs, Ambitious Sheets · Workflows: Packaging, labeling and shipment preparation

    Automates

    • Groups completed orders by customer
    • Generates part-number and lot-specific labels
    • Selects appropriate bulk or custom packaging
    • Drafts shipping paperwork and carrier labels

    Stops for a person

    • A packer physically packs and labels the springs
    • The owner or shipping lead reviews and releases all outgoing shipments
  • a worker performing lubrication on a large spring grinding machine with an open maintenance log book nearby

    Maintenance and Compliance Clerk

    Maintain preventive-maintenance schedules, calibration logs and environmental paperwork for all production equipment.

    Works in: Ambitious Tasks, Ambitious Sheets, Ambitious Docs · Workflows: Equipment maintenance and compliance records

    Automates

    • Generates machine-specific maintenance checklists
    • Tracks calibration due dates for scales and gauges
    • Logs furnace temperature records
    • Warns before permits or certifications lapse

    Stops for a person

    • Technicians perform the actual maintenance and enter results
    • The owner confirms which regulatory requirements apply and reviews all final records

Workflows

Quote intake and order confirmation

Starts when: A customer submits a request for quote or purchase order by email, portal or drawing

  1. Extract all dimensional, load, rate, material and finish requirements from the drawing or description
  2. Check against existing designs and standard capabilities
  3. Draft a formal quotation with price, lead time and tolerance notes
  4. Convert an accepted quote into a production order with a unique job number
  5. Create a task containing the full spring specification sheet

Watch for: Exact material and tolerance requirements must be captured verbatim; Any deviation from standard catalog springs requires engineering review

Material and tooling requirements planning

Starts when: New production order is confirmed

  1. Explode the spring specification into required wire diameter, alloy, length per spring and total weight
  2. Subtract current spool inventory and on-order stock
  3. Identify required coiling points, arbors, grinding wheels and any special tooling
  4. Draft purchase list for wire and consumables
  5. Flag any long-lead or special-order materials

Watch for: Wire must be ordered to exact diameter and temper; substitutions can change spring rate; Tooling inventory must be matched to machine and job

Coiling and secondary operation scheduling

Starts when: Material is on hand or scheduled and weekly capacity review

  1. Group open orders by wire diameter, machine type and secondary operations needed
  2. Assign jobs to specific CNC coilers, grinders, heat-treat furnaces and testers
  3. Calculate setup and run times including changeover between wire sizes
  4. Insert preventive-maintenance windows and tooling sharpening
  5. Produce a daily machine schedule and operator assignment list

Watch for: Coilers have strict limits on wire diameter and spring index; Heat-treat and plating steps must occur in the correct sequence

In-process and final quality testing

Starts when: Each batch completes coiling, grinding or heat-treat

  1. Generate a test checklist with required load, rate, free-length and solid-height measurements
  2. Record test results against the customer specification
  3. Flag any out-of-tolerance springs for rework or scrap
  4. Compile batch traceability records including wire lot number and heat-treat parameters
  5. Draft certificate of conformance when all tests pass

Watch for: Test fixtures must be calibrated and matched to the spring design; Statistical sampling rates are determined by the owner

Wire, tooling and finished-goods inventory management

Starts when: Weekly and at reorder points

  1. Scan current spool weights and calculate remaining usable wire
  2. Compare against upcoming order requirements
  3. Draft reorder quantities for each alloy and diameter
  4. Track tooling wear and sharpening cycles
  5. Update finished-spring stock for blanket-order customers

Watch for: Rust-sensitive wire must be stored and tracked by lot; Minimum coil weights and partial spools affect yield calculations

Packaging, labeling and shipment preparation

Starts when: Quality testing is complete and product is cleared

  1. Group finished springs by customer and order
  2. Generate labels showing part number, revision, quantity, lot number and load specification
  3. Select appropriate packaging (bulk, individual bags, reels or custom crates)
  4. Draft shipping paperwork and carrier labels
  5. Record shipment and update customer order status

Watch for: Certain springs require rust-preventive oil or special wrapping; Traceability labels must remain legible through transit

Equipment maintenance and compliance records

Starts when: Scheduled maintenance dates and after each production run

  1. Generate daily, weekly and monthly preventive-maintenance checklists for each machine
  2. Log calibration dates for test equipment and scales
  3. Track furnace temperature charts and thermocouple certifications
  4. Monitor permit, wastewater and environmental log due dates
  5. Compile annual audit-ready equipment history files

Watch for: The owner confirms which local, state and industry requirements apply each year; All maintenance and calibration records are reviewed by people before filing

Outside vendor coordination for heat-treat and finishing

Starts when: When an order requires external heat-treat, plating or coating

  1. Identify orders needing outside processing after coiling or grinding
  2. Draft purchase orders with exact specifications and quantities for the vendor
  3. Schedule pickup or delivery windows with the vendor
  4. Track return of processed parts and update production schedule
  5. Record vendor certifications and test results upon receipt

Watch for: Sequence of operations must keep heat-treat before or after grinding as specified; Vendor paperwork must be matched to the job lot for traceability

Bot templates for this industry

Source: U.S. Small Business Administration, Office of Size Standards, Table of Small Business Size Standards Matched to North American Industry Classification System Codes, version March 2023 (effective 2023-03-17, NAICS 2022). Size standards are shown for reference only.