HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
8487900080 | Doc | 83.9% | CN | US | 2025-05-12 |
8487900040 | Doc | 58.9% | CN | US | 2025-05-12 |
7308907000 | Doc | 80.0% | CN | US | 2025-05-12 |
7308909560 | Doc | 80.0% | CN | US | 2025-05-12 |
9406900190 | Doc | 82.9% | CN | US | 2025-05-12 |
9406900130 | Doc | 82.9% | CN | US | 2025-05-12 |
8547900010 | Doc | 84.6% | CN | US | 2025-05-12 |
8547900030 | Doc | 84.6% | CN | US | 2025-05-12 |
8546900000 | Doc | 55.0% | CN | US | 2025-05-12 |
8546100000 | Doc | 57.9% | CN | US | 2025-05-12 |
8548000000 | Doc | 55.0% | CN | US | 2025-05-12 |
7415100000 | Doc | 57.5% | CN | US | 2025-05-12 |
7415390000 | Doc | 58.0% | CN | US | 2025-05-12 |
8305100010 | Doc | 40.4% | CN | US | 2025-05-12 |
8305100050 | Doc | 65.4% | CN | US | 2025-05-12 |
7419800900 | Doc | 58.0% | CN | US | 2025-05-12 |
7419805050 | Doc | 55.0% | CN | US | 2025-05-12 |
8301406060 | Doc | 43.2% | CN | US | 2025-05-12 |
8301500000 | Doc | 40.6% | CN | US | 2025-05-12 |
8306100000 | Doc | 35.8% | CN | US | 2025-05-12 |
8306300000 | Doc | 82.7% | CN | US | 2025-05-12 |
8304000000 | Doc | 33.9% | CN | US | 2025-05-12 |
9402900020 | Doc | 30.0% | CN | US | 2025-05-12 |
9402900010 | Doc | 30.0% | CN | US | 2025-05-12 |
Fixing Fixture
A fixing fixture, commonly referred to as a jig or fixture, is a workholding device used to precisely locate and secure a workpiece during manufacturing processes, typically machining, welding, drilling, or assembly. They are essential for repetitive production to ensure interchangeability of parts and consistent quality.
Material
Fixtures are constructed from a variety of materials depending on the application's demands:
- Cast Iron: Offers high rigidity, vibration damping, and cost-effectiveness. Suitable for heavy-duty applications and large parts.
- Steel: Provides high strength and durability, often used for complex fixtures requiring precise machining.
- Aluminum: Lightweight and easy to machine, ideal for smaller parts and rapid prototyping.
- Plastics/Composites: Used for low-volume production or when contact with the workpiece needs to be non-marring.
- Modular Fixture Systems: Composed of standardized components (base plates, risers, clamps) allowing for flexible and reconfigurable setups.
Purpose
The primary purposes of fixing fixtures are:
- Locate: Precisely define the workpiece’s position and orientation.
- Secure: Hold the workpiece firmly in place during operations.
- Guide: In some cases, guide the cutting tool or welding arc.
- Repeatability: Ensure consistent positioning of workpieces across multiple production runs.
- Safety: Improve operator safety by eliminating the need for manual holding.
Function
Fixtures function by employing various clamping and locating elements:
- Locating Elements: Pins, V-blocks, slots, and other features define the workpiece’s datum points. The “6-3-2 principle” is often applied: 6 locating points to define a rigid body, 3 to define a plane, and 2 to define a line.
- Clamping Elements: Clamps (toggle, cam, strap, quick-release), bolts, screws, vacuum, or magnetic forces secure the workpiece.
- Alignment Features: Dovetails, guide posts, or other features ensure accurate re-fixturing.
- Datum Surfaces: Precisely machined surfaces that serve as reference points for locating the workpiece.
Usage Scenarios
- Machining: Milling, turning, drilling, grinding, tapping.
- Welding: Holding parts in the correct alignment for welding.
- Assembly: Positioning components for automated or manual assembly.
- Inspection: Holding parts for dimensional inspection.
- 3D Printing/Additive Manufacturing: Supporting structures during the printing process.
Common Types
- Plate Fixtures: Simple fixtures consisting of a base plate with locating and clamping elements.
- Box and Pan Fixtures: Enclose the workpiece for greater rigidity and stability.
- Indexing Fixtures: Allow for sequential machining of multiple surfaces on a single workpiece.
- Turn Fixtures: Designed for use on turning machines.
- Welding Fixtures: Specifically designed to hold parts in place during welding operations. These often include provisions for accessing the weld joint.
- Modular Fixtures: Composed of standardized components for flexibility and reconfigurability.
- Quick-Change Fixtures: Designed for rapid setup and changeover, reducing downtime.
- Vacuum Fixtures: Utilize vacuum pressure to hold parts, suitable for thin or delicate materials.
- Magnetic Fixtures: Utilize magnets to hold ferrous materials.
Based on the provided information, determining the precise HS code for "fixing fixture" requires a more detailed understanding of its material, function, and application. However, several HS codes may be relevant, depending on the specific characteristics of the fixture.
Here are potential HS codes based on the available data:
- 7415.10.00.00: Nails, tacks, drawing pins, staples (other than those of heading 8305) and similar articles, of copper or of iron or steel with heads of copper; screws, bolts, nuts, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of copper. This code covers nails, tacks, screws, bolts, and similar articles made of copper or iron/steel. Chapter 74 relates to copper and articles thereof; Heading 74.15 specifically covers nails, tacks, and similar articles.
- 7415.39.00.00: Nails, tacks, drawing pins, staples (other than those of heading 8305) and similar articles, of copper or of iron or steel with heads of copper; screws, bolts, nuts, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of copper: Other threaded articles: Other. This code is for other threaded articles, also made of copper or iron/steel.
- 8305.10.00.10: Fittings for looseleaf binders or files, letter clips, letter corners, paper clips, indexing tags and similar office articles, and parts thereof, of base metal; staples in strips (for example, for offices, upholstery, packaging), of base metal: Fittings for looseleaf binders or files Ring binder mechanisms. If the fixture is used for binding or filing, this code may be applicable. Chapter 83 covers miscellaneous manufactured articles; Heading 83.05 specifically covers fittings for looseleaf binders and similar articles.
- 8306.10.00.00: Bells, gongs and the like, nonelectric, of base metal; statuettes and other ornaments, of base metal; photograph, picture or similar frames, of base metal; mirrors of base metal; and base metal parts thereof: Bells, gongs and the like, and parts thereof. If the fixture is ornamental, this code may be relevant.
- 9402.90.00.20: Medical, surgical, dental or veterinary furniture (for example, operating tables, examination tables, hospital beds with mechanical fittings, dentists' chairs); barbers' chairs and similar chairs, having rotating as well as both reclining and elevating movements; parts of the foregoing articles: Other Other. If the fixture is part of medical or surgical furniture, this code may apply.
Important Note: The applicable tariff rates for these HS codes vary. For example, 7415.10.00.00 has a base tariff of 2.5%, with an additional 25% tariff and a potential 30% tariff in 2025.4.2. 8305.10.00.10 has a base tariff of 2.9%, with an additional 7.5% tariff and a potential 30% tariff in 2025.4.2.
Proactive Suggestion: Depending on the material composition of the "fixing fixture," verification of the material may be required to ensure accurate classification. For example, if the fixture contains steel, the 25% additional tariff and potential 30% tariff in 2025.4.2 may apply.