Side-by-side comparison of LPH-040 (DENSO) and UNISTAR UN-1820A Laser Welding Robot Arm (ShanDong Unistar Machinery Co., Ltd.) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
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Manufacturer Country

Year First Available

Verified Deployments

Price Range (USD)

Availability Status

Payload

Reach

Degrees of Freedom

Repeatability

Max TCP Speed

Robot Weight

IP Rating (Wrist)

Duty Cycle

Controller Model

Teach Pendant Type

Offline Programming

Pneumatic Lines

Electrical Lines

Price (USD)

Warranty

Service Network

Expected Service Life

UNISTAR UN-1820A Laser Welding Robot Armindustrial-armShanDong Unistar Machinery Co., Ltd. 22.3Product Score | ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | — |
| Year First Available (values differ) | 2019 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $5,392 | $6,800 |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Payload (values differ) | 3 kg | — |
| Reach (values differ) | 400 mm | — |
| Degrees of Freedom (values differ) | 4 | 6 |
| Repeatability (values differ) | ±0.02 mm | ±0.05 mm |
| Max TCP Speed (values differ) | 4.7 m/s | — |
| Robot Weight (values differ) | 16 kg | — |
| IP Rating (Wrist) (values differ) | — | IP54 |
| Performance | ||
| Duty Cycle (values differ) | multi shift | continuous 24 7 |
| Controller & Programming | ||
| Controller Model (values differ) | RC8 | — |
| Teach Pendant Type (values differ) | no pendant (browser UI) | wired touch |
| Offline Programming (values differ) | WINCAPS III Offline Software | — |
| End-Effector | ||
| Pneumatic Lines (values differ) | 3 | — |
| Electrical Lines (values differ) | 15 | — |
| Commercial | ||
| Price (USD) (values differ) | $5,392 | $6,800 |
| Warranty (values differ) | — | 1 yrs |
| Service Network (values differ) | global | — |
| Expected Service Life (values differ) | 5 yrs | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Path Accuracy, IP Rating (Arm), Cycle Time (25/305/25), MTBF, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Programming Languages, Digital Twin Support, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, Spare Parts Lead Time
Frequently asked
LPH-040 is made by DENSO, based in JP. UNISTAR UN-1820A Laser Welding Robot Arm is made by ShanDong Unistar Machinery Co., Ltd..
LPH-040 is listed at $5,392. UNISTAR UN-1820A Laser Welding Robot Arm is listed at $6,800.
LPH-040 scores 63/100. UNISTAR UN-1820A Laser Welding Robot Arm scores 22/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
LPH-040 has a reach of 400 mm. UNISTAR UN-1820A Laser Welding Robot Arm has a reach of 1850 mm.
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
Hardware cost is one input. Industrial Arm TCO also includes integration, training, downtime, and end-of-life. Our breakdown: TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Industrial Arm Vendor Selection: Capability Matrices and Proof Points.
Going deeper — picking the right robot
TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming
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The hidden specs vendors hope you'll miss
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LPH-040 vs UNISTAR UN-1820A Laser Welding Robot Arm compares two robots in the industrial-arm category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Product Score is calculated.
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