Modello USA di produzione 19350 Spessimetro in plastica

Marca: Produzione (Made in USA, commonly known as PTC plastic feeler gauge in the industry)

1. Model No.: 19350
2. Nome e cognome: 0.25–5mm Plastic Gap Gauge for Automotive Industry
3. Blade Quantity: Set of 11 detachable individual blades
4. Materiale: High-strength wear-resistant modified nylon (non-conductive, spark-free, scratch-free for paint surfaces & aluminum alloys)
5. Core Dimension Specifications

3. Material Advantages (contro. Steel Feeler Gauges)
4. Workpiece-Safe: Will not scratch automotive paint, aluminum alloy, electroplated parts or plastic interior trims; standard inspection tool for OEM automobile manufacturers.
5. Insulated & Anti-Spark: Non-conductive and free of metallic sparks, suitable for inspections of new energy battery compartments and fuel system components.
6. Corrosion Resistant: Rust-proof, maintains performance for long-term use in workshops with oil stains and cleaning agents.
7. Flexible & Bendable: Conforms to narrow gaps and curved surfaces during measurement, hard to break.
8. Leggero: Far lighter than metal feeler gauges, eliminating fatigue during long-time handheld operation.
9. Scenari applicativi tipici
10. Produzione automobilistica & Complete Vehicle Inspection

Measurement of door gaps, lamp assembly clearances, bumper flushness, interior trim gaps, chassis assembly gaps and brake pad clearances.

2. Nuova industria energetica

Assembly gaps of battery pack housings and fit clearances of plastic casings.

3. Glass & Plastic Industry

Clearances of tempered glass frames and parting line gaps of injection molds.

4. Precision Assembly

Scratch-free gap inspection for home appliance housings and medical devices.

5. Comparison of Popular Models in the Same Series

6. Appalti & Operation Precautions
7. Accuracy Tolerance: Plastic tolerance ±0.04~0.08mm. For qualitative assembly gap inspection only; not a substitute for micrometers for precision metrology.
8. Storage Requirements: Avoid prolonged exposure to high temperature and sunlight to prevent plastic aging and deformation.
9. Identificazione dell'autenticità: Genuine US-made blades are printed with `production U.S.A`; counterfeit domestic versions lack original laser engraving.
10. Procurement Reference: The market price of a complete genuine set is approximately 360–390 RMB; replacement single blades are available for separate purchase.
11. Spiegazione della nomenclatura del modello

The last two digits 50 Di 19350 stand for the maximum measuring range of 5.0mm; the first two digits 19 represent the universal wide-blade series with a standard length of 100mm.

Complete Operation Guide for Production USA Model 19350 Spessimetro in plastica

1. Tool Overview

Modello 19350 is a set of 11 nylon plastic blades with a measuring range of 0.25–5mm. Its 6mm narrow tip fits tight gaps on vehicle bodies, interiors and batteries. Being non-metallic, it leaves no scratches on paint, aluminum and plastic parts. It is designed primarily for qualitative assembly gap inspection and not for high-precision metrology.

2. Standard Measurement Procedures (General Gap Measurement)

Fare un passo 1: Pre-Measurement Cleaning Preparation

1. Wipe both sides of the measured gap to remove dust, olio, adhesive residues and metal burrs, as contaminants will lead to oversized readings and misjudgment.
2. Take out the full gauge set and wipe oil stains from both sides of each plastic blade.
3. Ensure workpieces are fully cooled. Never measure hot workpieces (heat softens and deforms plastic, rendering markings invalid).

Fare un passo 2: Preliminary Blade Selection (Start with thicker sizes to reduce stacking error)

1. Visually estimate gap size and prioritize single-blade measurement.

Specifications of the set: 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0mm.

2. If the 5mm blade cannot be inserted at all, test 4.5mm, 4.0mm and so on in descending order.
3. Smooth insertion of a single blade without resistance → Gap > blade thickness;

Complete inability to insert a single blade → Gap < blade thickness.

4. Industry-standard tactile judgment criterion: A slight uniform drag resistance when gently pulling the inserted blade indicates the blade thickness approximates the true gap.

Fare un passo 3: Stacked Measurement for Large Gaps (Gap > 5mm)

1. Stacking Rule: Use the fewest blades possible; maximum 2 blades stacked, as multiple stacked blades accumulate large errors.
2. Reading Calculation: Directly sum the thicknesses of the two blades.

Esempio: 2.5mm + 1.5mm = 4.0mm.

3. Operazione: Align and clamp the two blades tightly, insert flat and parallel into the gap; avoid misalignment or tilting.

Fare un passo 4: Standard Insertion Technique (Key to Prevent Scratches & Blade Breakage)

1. Insert the 6mm narrow front tip into the gap, keeping the blade parallel and perpendicular to the gap walls.
2. Push and pull gently. Do not force insertion or squeeze hard, as plastic blades will permanently bend and deform under stress.
3. Slightly bend the blade to conform to curved or corner gaps; avoid repeated sharp folding.
4. Re-measure three points (superiore, middle, metter il fondo a) of the same gap, record maximum and minimum clearances to evaluate uniformity.

Fare un passo 5: Reading & Judgment

Millimeter thickness is laser-engraved on both sides of each blade for direct reading:

1. Inspection Judgment Example (Standard automotive door gap: 3±0.5mm):

Slight drag resistance with the 3mm blade → Gap meets specification;

Free sliding of the 3.5mm blade → Excessive gap, out of tolerance (NG);

Difficult insertion even for the 2.5mm blade → Insufficient gap, out of tolerance (NG).

2. For assembly tolerance screening only; not a replacement for micrometers for precision measurement.
3. Specialized Operation by Application Scenario

Scenario 1: Automotive Body Gaps (Doors, Headlamps, Bumpers)

1. Clear dust and wax from sheet metal joints.
2. Hold the wide grip end of the gauge and horizontally insert the narrow tip into the joint.
3. Measure three vertical segments (superiore, middle, metter il fondo a) to compare flushness and gap uniformity.
4. Plastic material avoids scratches on paint and electroplated trim strips; standard inspection tool for OEM vehicle manufacturers.

Scenario 2: New Energy Battery Pack & Plastic Housing Gaps

1. Measure only after power cut-off and full cooling.
2. Insulated plastic eliminates conductivity and sparks, avoiding short-circuit risks present with metal feeler gauges.
3. Inspect assembly gaps of housings and fit clearances of snap fasteners.

Scenario 3: Injection Mold & Interior Plastic Part Assembly

1. Measure parting line gaps and trim panel joint clearances.
2. Soft plastic blades leave no indentations or scratches on soft workpieces, unlike metal gauges.
3. Operation Prohibitions (Exclusive Restrictions for Plastic Feeler Gauges)
4. ❌ Forcible insertion, severe bending, trampling or heavy compression of blades – nylon deformation leads to permanent loss of accuracy.
5. ❌ Use or storage in high-temperature environments (near ovens or hot engine components) – causes yellowing and shrinkage.
6. ❌ Soak or wipe with acetone or strong thinners – erodes plastic and wears off markings; wipe oil stains only gently with alcohol dust-free cloth.
7. ❌ Not suitable for tiny precision gaps below 0.25mm (minimum thickness of this model is 0.25mm; select model 05120 with thinner blades for narrow gaps).
8. ❌ Stack more than 2 blades – measurement error rises sharply.
9. ❌ Measure hot metal or unwelded uncooled workpieces.
10. Post-Use Storage & Manutenzione
11. Wipe oil stains and debris from each blade with alcohol, then fully air-dry.
12. Flatten all blades and neatly secure them in the matching clip; avoid pinching pressure or leaving single blades exposed.
13. Store in a cool, shaded toolbox away from heat sources and direct sunlight.
14. Calibrate periodically against standard gauge blocks; replace individual blades immediately if bent or with blurred markings.
15. Correction of Common Operation Misconceptions
16. Idea sbagliata: Full stuck insertion of the blade is the standard criterion.

Correzione: Slight drag resistance is the benchmark; full jamming means the blade thickness exceeds the actual gap.

2. Idea sbagliata: Stacking multiple blades delivers higher accuracy for large gaps.

Correzione: More stacked blades create larger accumulated errors; prioritize single thicker blades.

3. Idea sbagliata: Hard scraping of workpieces is acceptable just like steel gauges.

Correzione: Plastic is soft and deforms under heavy pressure; though workpiece-safe, the gauge itself is prone to damage.

Full Series Specification Summary of Production (PTCO) Plastic Feeler Gauges

Unified standards across all series: Standard full-length version: 100mm total length, 6mm measuring tip width, 12mm grip width; insulated modified nylon that will not scratch paint surfaces. Modello 14802 is the compact short version at 76mm.

Five categories: Precision micro-gap series, standard automotive interior series, wide-range large-gap series, compact 5-blade portable sets, heavy-duty multi-blade mass production sets.

1. Mainstream Standard 100mm Long-Blade Series (Widely Used in Workshops & Auto OEM Plants)
2. Modello 19350 (Wide-Range Universal Model)

Blade Count: 11 blades

Campo di misura: 0.25～5.0mm

Individual Thicknesses: 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0mm (1 piece each)

Applicazione: Large gap inspection for vehicle doors, bumpers, headlamps and battery packs

2. Modello 15026 (Color-Coded, Dedicated for Automotive Interiors)

Blade Count: 13 blades

Campo di misura: 0.25～2.0mm

Configurazione: 2 pcs × 0.25mm, 3 pcs × 0.5mm, 4 pcs × 1.0mm, 4 pcs × 2.0mm

Caratteristica: Spare thin-size blades; first choice for small gaps on interior trims and instrument panels

3. Modello 15017 (Precision Model for Ultra-Tiny Gaps)

Blade Count: 17 blades

Campo di misura: 0.1～2.0mm

Configurazione: 2×0.1, 2×0.15, 2×0.2, 2×0.25, 3×0.5, 3×1.0, 3×2.0

Applicazione: Tiny gap inspection for precision molds, small new energy housings and precision assembly

4. Modello 12412 (7-Blade Basic Set for Medium Gaps)

Blade Count: 7 blades

Campo di misura: 0.25～3.0mm

Thicknesses: 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0mm (1 piece each)

Posizionamento: Cost-effective universal basic model for repair shops

5. Modello 14839 (Ultra-Compact 5-Blade Portable Set)

Blade Count: 5 blades

Campo di misura: 0.25～3.0mm

Thicknesses: 0.25, 0.5, 1.0, 2.0, 3.0mm (1 piece each)

Applicazione: Portable on-site patrol inspection & simple quality control

6. Modello 12379 (Heavy-Duty Multi-Blade Mass Production Set)

Blade Count: 14 blades

Configurazione: 3×0.25, 3×0.5, 8×1.0 (no blades thicker than 2mm)

Scopo: High-frequency assembly line inspection; spare thin blades for high wear rates

7. Modello 12711 (Full-Coverage Multi-Blade Industrial Set)

Blade Count: 18 blades

Configurazione: 4×0.25, 4×0.5, 8×1.0, 2×2.0

Applicazione: Full-line inspection at vehicle OEM plants, sufficient stock of thin & thick specifications

2. Compact Short Version (76mm): Modello 14802

Total Length: 76mm (short grip, designed for narrow deep cavities)

Blade Count: 13 blades

Campo di misura: 0.25～6.0mm

Thicknesses: 0.25/0.5/1.0/1.5/2.0/2.5/3.0/3.5/4.0/4.5/5.0/5.5/6.0mm

Vantaggio: Reaches deep grooves and tight chassis assembly positions; maximum range of 6mm, the widest among all series

3. Full Series Model Parameter Comparison Table

4. Guida alla selezione rapida
5. Interior & small gaps (≤2mm): Choose Model 15026; select Model 15017 if 0.1mm tiny gap measurement is required.
6. Full range 0–5mm for vehicle doors, lamps and bumpers: Modello 19350 is the first choice (the model you use).
7. Deep grooves, narrow cavities, max measuring thickness 6mm: Select short version Model 14802.
8. High-frequency assembly line use with heavy thin-blade consumption: Multi-spare-blade sets Model 12379 / 12711.
9. Portable simple patrol inspection with limited budget: Modello 14839 / 12412.
10. Supplementary General Specification Notes
11. Materiale: Wear-resistant modified nylon, insulated & spark-free, scratch-free for aluminum, paint and plastic components, rust-proof.
12. Accuracy Tolerance: ±0.04~0.08mm. For qualitative assembly gap inspection only; cannot replace precision steel feeler gauges for metrology.
13. Marcature: Laser-engraved thickness and original `production U.S.A` logo on both sides of each blade.
14. Codifica colore (Color Model 15026): 0.25mm = White, 0.5mm = Green, 1.0mm = Yellow, 2.0mm = Dark Blue for fast thickness identification.