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SHENZHEN NOBLE SMART MANUFACTURING TECHNOLOGY COMPANY LIMITED
TEL: +86-755-27150460
E-mail: sales1@ainoble.com
Address: Building B1, Dongfang Jianfu Dayang Industrial Park, Furui Road, Fuyong, Bao'an District, Shenzhen, Guangdong, China

                                          

10 Inch Aluminum Alloy Stair Climbing Robot Wheel Hub CNC Machining

Project Quick details 1. Introduction Stair climbing is one of the most attractive performance of mobile robot for both legged and wheeled. (e.g. Stoeter et al., 2002; Murphy, 2000; Yim et al., 2000; Krishna et al., 1997;Granosik et al., 2005; Liu et al., 2005; Arai et al., 2006; Tanaka et al.,...

Project Quick details

Parts applications:

the parts of intelligent robot, intelligent wheelchair, etc

Material:

Aluminum alloy A356.2, etc.

Manufacturing Process:

Gravity casting first, then CNC precision machining

Finish Treatment:

Baking finish

Difficulties & Highlights:

High precision, high strength

Size

Customer’s 3D/2D drawing

Brand name

Noble

Palace of origin

Shenzhen, China (mainland)


1. Introduction
Stair climbing is one of the most attractive performance of mobile robot for both legged and wheeled. (e.g. Stoeter et al., 2002; Murphy, 2000; Yim et al., 2000; Krishna et al., 1997;Granosik et al., 2005; Liu et al., 2005; Arai et al., 2006; Tanaka et al., 2006; Miyanaka et al.,2007; Tsukagoshi et al.,2005)Authors have been developing various kinds of stair climbers, considering how to make itsclimbing ability higher and its mechanical complexity easonable and practical. The researchincludes realizing a large step negotiating height, controlling to keep its centre of gravity almost the centre of ground contacting area, higher speed of climbing up, large load tolerance to carry on. Reducing body weight and energy consumption is also the important matter of developing In the first part of this chapter, we introduce some solutions to realize stair climbing machines that we developed. Each of them has good performance as in a category of their kind, e.g. various numbers of legged and wheeled shapes. Then, we discuss a development of high-grip crawler, which we think one of the best solutions as the stair climber.

The Stair Problem
A robot which moves freely in a building has to be adapted to an environment made for humans. On its way it may encounter small obstacles ( up to 4 cm of hight, e.g. door steps, sills etc.) and stairs. These stairs often have nosings or ledges and sometimes open risers. The slope of indoor stairs can vary between  25° and 42°. Sometimes you will find in residental buildings even steeper stairs, especially spiral stairs. In public buildings stairs often have a rise s of 17cm and a run a of 29cm (slope approx. 30°)

Well-known Stair Climbing Robots
If you search the internet, you will find quite a number of stair climbing robots. There are the famous
-two-legged robots( e.g. Asimo, HRP2 ),
-six-legged robots ( e.g. RHex ), and
-tracked robots, mainly in military or law enforcement applications (e.g. Urbie, packBot).
Looking for wheeled robots you will find only a small selection. Best known probably shrimp of the EPFL Lausanne.  Helios V also climbs up and down stairs. There are also some hybrid designs with rotating legs, a mixture of a wheel and a 1-DOF-leg:  whegs, whegsII and mini-whegs IV ( and RHex). Mini-whegs IV  uses yet another concept: It jumps from step to step.
In the amateur area are successful stair climbers too, for example the Lego robot P’titgneugneu. It climbs stairs in both directions, but it is not well suited for floors, due to its design especially developed for stair climbing.

What can we do?

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Production process:

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Our equipments:

We take the CNC machining as core technology, meanwhile, we integrate other upstream and downstream resources in our industrial chain to provide service for the customer.
 We have 4 five-axis CNC, more than 30 high-speed CNC machining centers, CNC lathes, CNC carved machines, in total we have more than 50 machining equipment.
 We are able to provide machining service of CNC milling, turning, engraving, cutting, tapping, drilling, etc.
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Quality control: 
We will provide all documents as you need such as inspection report, material report, etc. To meet your quality requirements of products and parts.
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After-sale service:
If the parts have any quality problems when you got them, no matter it happened when we made them or caused by the delivery, we will try best to help you to solve the problems and take our part of responsibility, so you will be free from worries.

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