Changes between Version 1 and Version 2 of Wraptor/WarrantyAndRepairPolicies

May 16, 2011, 8:46:36 PM (13 years ago)



  • Wraptor/WarrantyAndRepairPolicies

    v1 v2  
    1 = Wraptor Safety and Cautions =
     1= Wraptor Warranty =
     3== Limited Warranty ==
    5 Following these safety instructions will help prevent user injury and equipment damage.
     5The warranty and service policies are the same across all Barrett Technology, Inc. products. Barrett Technology, Inc. ("Barrett") warrants this BH8-Series System (the "Product") to be free from defects in workmanship and materials under normal use for a period of 90 days after delivery to the purchaser, or 250k cycles, whichever comes first. Warranty replacement shall not extend the original warranty period of the Product.
    7 == Human Safety ==
    8  * The Wraptor™ has been designed to apply human-scale maximum active forces of several kilograms even though the Wraptor™ is designed to lift 50 kg once the fingers have secured their grasp. HOWEVER, the safety of the Wraptor™ is limited by the system safety, including the arm, which may be capable of tons of force. If the arm that transports the Wraptor™ is able to move, then the end user must be aware that the Wraptor™ is capable of (and will) transmit the arm’s end forces directly to people and delicate equipment. If an articulated robotic arm is rated for 50 kg, for example, it is likely to be able to produce many tons of force in many leveraged configurations or when it is moving fast upon an impact.
     7== Conditions of Warranty ==
    10  * Beware of situations when the Wraptor™ is stationary and secured on the end of a high-payload robot, but there is other active moving equipment nearby. The Wraptor™ generally will not accommodate and reduce the force of any collision, if it occurs.
     9This warranty shall be void and of no force and effect if the Product is damaged as a result of:
     10 a.     neglect, alteration, power fluctuation, or accident
     11 a.     improper use, including failure to follow operating instructions or maintenance and environmental conditions prescribed in the User Manual
     12 a.     service or repair by anyone other than service representatives qualified by Barrett and acting in accordance with Barrett's service requirements
     13 a.     use of supplies or parts other than those distributed by Barrett.
     14 a.     use of the Product with incompatible robot arms, computers, peripheral equipment or software
     15This warranty shall not extend to any Product on which the original identification marks or serial numbers have been defaced, removed, or altered.
    12  * Do not place any part of your body or delicate objects within the grasp of the Wraptor™ without first verifying control of the unit and confirming appropriate force levels.
     17Barrett shall not be liable for personal injury or property damage, unless caused by Barrett's negligence. Recovery of any kind against Barrett shall not be greater in amount than the purchase price of the product sold by Barrett and specifically causing the alleged damage. Barrett shall not be liable under any circumstances for any consequential damages. This warranty shall not extend to anyone other than the original purchaser of the product.
    14  * Beware that the sharp finger-nail like claws attached nominally to the outer links can cause pain and possibly cut bare human skin depending on details of the grasp.
     19This warranty, while valid, shall provide the following:
     20 a.     replacement or repair, at Barrett's discretion, of any defective part, without charge
     21 a.     unlimited technical support
     22 a.     software and firmware upgrades for the Product
     23 a.     latest electronic copies of the manuals
    16 == Wraptor Safety ==
     25== Return Procedure ==
     26The customer must first contact Barrett’s service department to obtain an RMA (Return Merchandise Authorization) number and note the RMA number on the shipping documents. Barrett will inform the customer which components need to be returned. The customer shall pay for shipping to Barrett. Barrett shall pay for the packing, freight and insurance for equivalent or superior-service shipping back to the customer excluding any and all duties, taxes, customs fees, surcharges or other cost.
     27Barrett may change this warranty at any time and without notice.
    18  * Do not connect or disconnect any electrical cables while the Power Supply is turned on. Failure to follow this instruction could impart irreparable damage to the onboard electronics.
     29== Subscription Service / Extended Warranty ==
     30The subscription service will provide the following:
    20  * Ensure that input power to the Positive- and Negative-voltage terminals are never reversed.
     32 a. extension of the warranty services and policies
     33 a. annual lubrication and maintenance for normal wear and tear for the Product
     34 a. up to 30 hours per year of application support
    22  * Never allow power to be connected to the communication pins at the input connector of the Wraptor
    24  * Do not exceed the load limit of the fingers, 50kg per finger. Consider all loading situations including accelerated loads, cantilever loads from long objects, robot collisions, active loads, etc. (See also, next paragraph.)
    26  * Similar to the concerns about Human safety when the Wraptor™ is mounted on a robotic arm, one must recognize that, for example, a 50-kg lift robotic arm is easily capable of producing several tons (!!!) of force even when moving slowly (in many configurations with high mechanical leverage) or when moving quickly just before a collision (regardless of configuration). Since forces cannot be seen by eye, any contact with rigid surfaces or even with the base or other links of the robotic arm can easily exceed tons of force without operator awareness. It is advisable to be very cautious when running the full system to minimize these collisions or to ensure that a force/torque sensor or collision-break-away mechanism is installed between the tool-plate of the robot and the base of the Wraptor™.
    28  * Do not allow the Wraptor™ to be exposed to corrosive liquids that may cause damage to the body or cable of the unit.
    30  * The operating temperature of the Wraptor™ is monitored continuously and automatically so that no Puck can approach OTEMP, which is set nominally to 82 C. If the temperature reaches within 16C of OTEMP, then the max command torque (motor current) will be temporarily limited to prevent damage. Under normal conditions, the Wraptor™ operates between 35 and 60C. The Wraptor™ was designed with non-backdrivable finger joints to take advantage of the motors’ peak operating performance in short bursts. The spread, however, is backdrivable to aid in target-independent grasping and requires constant motor current to actively hold position. Idling the spread motor (thus activating the spread brake), when possible, will help keep the temperature lower.
    32  * Do not immerse the Wraptor™ in liquid.
    34  * Do not expose the Wraptor™ to corrosive liquids.
    36  * Do not expose the Wraptor™ to mud or slurries.
    38  * Ensure that the electrical Wraptor™ cable and connector cannot be damaged by collision, cutting, pulling, or twisting.
     36This subscription service may be purchased on a monthly basis for 1% of the original purchase price. The subscription service may be purchased for any length of time with the initial Product purchase. If the warranty or subscription service expires, there is a subscription service start up fee of 10% of the original total sale value to pay for a service check. If the service check indicates needed repairs, the customer must pay for repairs before the subscription service may be renewed.
     37Barrett may change this subscription service policy at any time and without notice.