Universal Angular Locator
Application:Welding&Assemble
Process:CNC Machining
Surface treatment:Normal/Nitrided
Type:3D
Brand:Lemar
Products Description
- Base: with D28/D16 standard holes, fixed to the 3D platform, providing a reference.
- Rotating arm: Connected to the base through a central axis, it rotates 360 ° and swings at an angle to achieve coverage from 0 ° to 225 °.
- Scale dial: Equipped with precision angle scales at the pivot, it displays angles in real-time and provides intuitive readings.
- Locking mechanism: eccentric disc/handle quickly locks the angle to prevent welding vibration and displacement.
- Positioning groove/hole: Arm body groove and porous design, matched with accessories such as V-shaped blocks and locking pins, suitable for different workpiece sizes and shapes
Universal Angular Locator is the core accessory of the 3D flexible welding platform. It is used to continuously adjust and accurately lock the welding angle of the workpiece in three-dimensional space, achieving fast positioning and clamping, and improving welding accuracy and efficiency.

mainstream specifications
Basic Info
Material: High quality steel, cast/forged, resistant to high temperatures and deformation.
Angle range: 0 ° -225 ° (some can reach 350 °), 360 ° dial, accuracy ± 0.5 ° - ± 2 °.
Adaptation platform: Standard D28 (main)/D16 3D welding platform with hole spacing of 28mm/16mm.
Size (D28): Approximately 500 × 100 × 100mm; D16: 250 × 50 × 50mm.
Surface treatment: Blackening/electrophoretic rust prevention, wear-resistant and corrosion-resistant.
Connection method: Platform hole bolt fixation, equipped with locking handle/eccentric disc, stable and non slip.
Standard Sizes
| Product Model | D28 series | D16 series |
| Overall appearance length, width, and height | 350 × 120 × 110 mm | 220 × 80 × 75 mm |
| Base installation width | 120 mm | 80 mm |
| The swing arm effectively adjusts the stroke | 220 mm | 130 mm |
| Central axis aperture |
28 mm |
16 mm |
| Angle adjustment range | 0°~225° | 0°~225° |
| Net weight | 7.5 kg | 2.8 kg |
Not sure which size fits best?
Send us your workpiece photos, and we'll get back to you with a perfect solution.
core functionality

- ✅ Accurate 3D angle adjustment: Lock at any angle from 0 ° to 225 °, meeting the needs of flat welding, vertical welding, overhead welding, and complex corner joints.
✅ Quick positioning and clamping: Combined with a 3D platform and fixture, it replaces manual support and reduces positioning time by over 80% with strong consistency.
✅ Multi workpiece adaptation: long groove+porous+replaceable V-shaped block, compatible with square tube, round tube, sheet metal, and irregular parts.
✅ High repeatability accuracy: good mechanical rigidity, no drift after angle locking, stable batch welding accuracy.
✅ Improve welding quality: precise angle, stable workpiece, reduce weld defects, and lower rework in combinati
Advantages of use
- Efficiency doubled: operated by one person without assistance, positioning and clamping can be completed with just one click.
- Cost reduction: Reduce labor, lower tooling customization costs, and adapt to multiple workpieces with one set.
- Stable quality: precise angle, firm workpiece, beautiful weld formation, high pass rate.
- Strong universality: compatible with standard 3D platforms, compatible with multiple accessories, and able to quickly switch operating conditions.

Application scenario
- Steel structure welding: corner/groove welding of beams, columns, brackets, and frames.
- Construction machinery: Welding of complex angles such as frames, arms, and supports.
- Automobile/Rail Transit: Chassis, frame, and connecting piece positioning welding.
- Furniture/Hardware: Welding of wrought iron frames, shelves, and irregular fittings.
- Pipeline welding: pipeline docking, multi angle positioning of elbows.

Company profile

LEMAR MACHINERY
Starting locally and expanding to serve welding fixture partners in over 30 countries worldwide, this is our growth story:
2005 🏭 Founding Vision: Rooted in China, dedicated to welding equipment R&D;
2007 🌍 Going Global: Initiating a globalization strategy and upgrading products to international standards;
2008 ⚙️ Comprehensive Upgrades: Added 3D welding platforms and other production lines, transitioning into a comprehensive solution provider;
2015 ✅ Quality Certification: Obtained CE/GS certifications and entered the high-end European and American markets;
Today 🌟, we are present worldwide, serving high-end manufacturing sectors such as automobiles, wind power, and shipbuilding, earning the trust of global clients with our expertise.
Certificate of Product Quality

FAQ
Q: What is the surface treatment process?
A: Blackening and nitriding treatment, which is rust-proof and wear-resistant, ensuring a long service life.
Q: Can it be firmly fixed on the welding platform?
A: Yes. It is matched with standard locating pins and clamping bolts, with stable connection and no displacement during welding vibration.
Q: What workpieces is it suitable for?
A: It is suitable for square tubes, round pipes, flat plates, angle steels, aluminum profiles, engineering machinery frames, iron art furniture and steel structure parts.
Q: Is it easy to install and operate?
A: It can be used immediately without complicated assembly. Adjust the angle and lock the handle quickly, and one person can complete the positioning.
Q: Can it be used for mass production welding?
A: Yes. It has high repeat positioning accuracy, ensuring uniform welding angles of workpieces, which can effectively reduce rework and improve welding efficiency.
Q: Do you support customized size or logo?
A: Custom logos are available; conventional sizes are in stock and can be shipped quickly.
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WUXI LEMAR MACHINERY EQUIPMENTS CO.,LTD
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