3D Printing Robots Arms, Hands and other Parts

DT's Workers in Front of Our SLM Metal 3D Printers

The Industrial SLM Metal 3D Printers in DT Factory

The High-Precision Industrial SLS 3D Printers in DT Factory

**3D Printing Robot Robot Joint Housing Parts by Using Aluminum 6061/7075**

**3D Printing **Humanoid** Robot Arms by Using Nylon PA12**

**3D Printing Humanoid Robot Hand Prototype by SLM 3D Printers**

**The robot head shell is integrally formed via metal 3D printing with aluminum alloy by SLM**

About 3D Printing Robot Parts

Robot Category	Core Hardware Component	Main 3D Printing Process	Typical Materials Used	Core Value Created by 3D Printing
Humanoid Robot	Torso thoracic bracket, load-bearing upper/lower leg bones	SLM	AlSi10Mg aluminum alloy, TC4 titanium alloy	Delivers 20%–40% weight reduction via topology optimization and lattice infill, lowering limb moment of inertia; achieves part consolidation to eliminate assembly clearances
Humanoid Robot	Hip/knee/wrist joint adapters, reducer housings	SLM	High-strength aluminum alloy, 316L stainless steel	Integrates internal cable routing and hydraulic circuits to minimize external pipelines and connectors; fabricates complex irregular geometries in one pass to ensure coaxiality and dimensional accuracy
Humanoid Robot	Conformal motor cooling components, liquid cooling channel assemblies	SLM	Aluminum alloy, copper alloy	Conformal cooling channels conform closely to heat-generating surfaces, boosting heat dissipation efficiency by over 30%; complex internal flow paths unachievable with conventional machining
Humanoid Robot	Head face shields, body covers, protective shells	SLS / SLA	PA12 nylon, high-toughness photosensitive resin	Enables rapid iteration of free-form surfaces with no injection mold tooling required during R&D; integrates snap fits, mounting posts and ventilation holes in a single part
Quadruped Robot	Leg connecting rods, hip support frames	SLM	AlSi10Mg aluminum alloy	Extreme lightweight design improves dynamic performance such as jumping and running; incorporates internal tendon and wiring cavities to protect cabling
Quadruped Robot	Foot-end cushioning pads, shock-absorbing structures	FDM / SLS	TPU, flexible nylon	Customized lattice and texture structures tune shock absorption performance; enables graded stiffness design to adapt to diverse terrains
Quadruped Robot	Main control compartment, battery compartment frame	SLS / SLM	PA12-CF (carbon fiber reinforced nylon), aluminum alloy	Integrates mounting points and reinforcing ribs monolithically to reduce total part count; balances strength and lightweight design to extend battery life
Dexterous Hand / Collaborative Robotic Arm	Bionic phalanges, integrated flexible hinges	SLS / high-precision SLA	PA12 nylon, high-toughness resin	Eliminates need for bearings and pin assemblies, with zero motion backlash and no lubrication required; fabricates miniature complex joint structures in a single build
Dexterous Hand / Collaborative Robotic Arm	6-axis force sensor elastic elements, sensor housings	SLM	316L stainless steel, titanium alloy	Fabricates complex elastic beam structures monolithically to ensure uniform stress distribution; significantly improves sensor sensitivity and overload capacity
Dexterous Hand / Collaborative Robotic Arm	Customized grippers, end effectors	SLS / FDM	PA12 nylon, ABS, polycarbonate (PC)	Enables rapid modification and customization for different grasping scenarios; shorter lead times and far lower costs than machining and injection molding for low-volume production
Soft Bionic Robot	Pneumatic artificial muscles, soft actuators	PolyJet multi-material printing / DLP	Silicone, TPU, elastic resin	Achieves rigid-flexible integration and stiffness gradients in one piece; eliminates assembly for complex sealed internal cavities to ensure air tightness
Soft Bionic Robot	Bionic skin, tactile sensor substrates	Multi-material stereolithography	Flexible resin, conductive composite materials	Embeds sensing channels and electrodes for integrated structure and sensing; replicates the mechanical properties of biological tissues
Mobile Manipulator Robot	LiDAR / vision camera mounting brackets	SLA / SLS	Photosensitive resin, PA12 nylon	Enables precision mounting of multiple sensors to ensure calibration accuracy; lightweight design adds no extra payload to the end effector
Mobile Manipulator Robot	Irregular transmission parts for lifting mechanisms	SLM / SLS	Aluminum alloy, glass fiber reinforced nylon	Integrates complex transmission and guide structures to reduce cumulative assembly errors; more cost-effective than injection molding for low-volume production
Universal for All Categories	R&D verification prototypes, test fixtures and jigs	FDM / SLA	PLA, general-purpose resin	Cuts structural iteration cycles from weeks to days, matching the rapid pace of algorithm development; significantly reduces R&D trial-and-error costs

Testimonials from Overseas Clients

Overseas client Eddie come to visit DT's 3D printing factory — **Eddie, Engineer**
“I was very worried that something bad would happen. But after receiving the product, I found that my worry was totally unnecessary. DT 3D Printing is a very reliable factory with guaranteed quality.”

Overseas clients paid a visit to DT's 3D printing factory — 3 foreign clients flew overseas along with their translator to visit DT 3D printing factory for long-term cooperation.

Overseas client Arnold Zimmermann came to visit DT's 3D printing factory — **Arnold Zimmermann, Procurement Manager**
“The product quality is top – notch, the craftsmanship is exquisite, the printing effect is excellent, and the delivery speed is really fast. Overall, it offers great value for money, and I’m extremely satisfied.”

Overseas client came to visit DT 3D printing factory — This overseas client has come to visit the DT 3D-printing factory many times, and we have kept cooperating for several years.

Overseas client Jo Alves came to visit DT 3D Printing Factory — **Jo Alves, Co-founder**
“The printing quality is really great, and the price is quite affordable. The logistics speed is also fast. All in all, DT is a trustworthy factory, and we’ll keep cooperating with them in the long run.”

This overseas client visited DT’s 3D printing factory in a team for long-term cooperation in metal 3D printing.

Overseas clients paid a visit to DT 3D printing factory with their translator — Overseas clients visited DT 3D printing factory in a team, accompanied by a translator.

This overseas client came to the DT 3D-printing factory for talking with our boss for long-term cooperation.

**The 3D-printed Aluminum Alloy Humanoid Robot Arm Housing Parts**

**The** 3D-printed Body for Humanoid Robot

DT's Factory Team Leaders — **DT Wholly-owned Factory**
**Factory Direct: lower costs & full control**

Metal 3D Printing Service from a Source Factory

Metal Materials Commonly Used:
Stainless Steel (316L/304L/17-4/347), Aluminum Alloy (6061/AISi10Mg/7075), Titanium Alloy (TC4/TA1), Mold Steel (S136/CX/1.2709), Nickel-rich Alloy (GH4169/GH3128/INCONEL625), Brass Alloy (CuCrZr/Tin Bronze)…
Metal Materials are Customizable for Bulk Printing

Why choose us?

1. Source Factory: 30 SLM Metal 3D Printers, 14 CNC Machines, Dozens of Post-processing Facilities, and 60 Industrial Plastic 3D Printers, (Numbers Keep Growing…)
2. Industrial Metal 3D Printing Expertise: core team with 10+ years in 3D printing & CNC precision machining
3. One-stop 3D Printing Service: SLM / SLA / MJF / FDM / SLS / DLP / BJ
4. One-stop Manufacturing: 3D printing / CNC machining / post-processing
5. 3D Model Support: design, optimization & fixing
6. Rapid Prototyping: sample turnaround could be within 24 hours (after drawings & order confirmation)7. Quality Guarantee: free re-print for defects