1、June 15,2001 1 SUBJECT 7700-2-37 OUTLINE OF INVESTIGATION FOR PORTABLE PNEUMATIC TOOLS; PART 2: PARTICULAR REQUIREMENTS FOR PLATE JOINTERS Issue Number: 1 JUNE 15,2001 COPYRIGHT O 2001 UNDERWRITERS LABORATORIES INC. 2 SUBJECT 7700-2-37 JUNE 15,2001 No Text on This Page JUNE 15,2001 SUBJECT 7700-2-37
2、 3 CONTENTS FOREWORD . .4 1 Scope . 2 Components . 5 3 Undated References . . 5 Glossary . 6 General Requirement 7 General Notes on Tests . . 5 . 5 . .6 1 O Electrical Circuits . . . . . .6 . .6 . .7 14 Mechanical Strength . 15 Construction 16 Noise Emission . . 17 Resistance to Rusting . 18 Accesso
3、ries and Attachments . 4 SUBJECT 7700-2-37 JUNE 15,2001 FOREWORD A. This Outline of Investigation contains basic requirements for products covered by Underwriters Laboratories Inc. (UL) under its Follow-Up Service for this category within the limitations given below and in the Scope section of this
4、Outline of Investigation. They are subject to revision as further experience and investigation may show is necessary or desirable. B. The observance of these requirements by a manufacturer is one of the conditions of the continued coverage of the manufacturers product. C. A product which complies wi
5、th the text of this Outline of Investigation will not necessarily be judged to comply with the Outline of Investigation if, when examined and tested, it is found to have other features which impair the level of safety contemplated by these requirements. D. A product employing materials or having for
6、ms of construction which conflict with specific requirements of the Outline of Investigation cannot be judged to comply with the Outline of Investigation. A product employing materials or having forms of construction not addressed by this Outline of Investigation may be examined and tested according
7、 to the intent of the requirements and, if found to meet the intent of this Outline of Investigation, may be judged to comply with the Outline of Investigation. E. UL, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility of the m
8、anufacturer or any other party. The opinions and findings of UL represent its professional judgement given with due consideration to the necessary limitations of practical operation and state of the art at the time the Outline of Investigation is processed. UL shall not be responsible to anyone for
9、the use of or reliance upon this Outline of Investigation by anyone. UL shall not incur any obligation or liability for damages, including consequential damages, arising out of or in connection with the use, interpretation of, or reliance upon this Outline of Investigation. F. Many tests required by
10、 the Outline of Investigations of UL are inherently hazardous and adequate safeguards for personnel and property shall be employed in conducting such tests. JUNE 15,2001 SUBJECT 7700-2-37 5 1 Scope This Section of Part 1 is applicable except as follows: Modify 1. I as follows: The term ”tool” is rep
11、laced with ”plate jointers.” 2 Components This Section of Part 1 is applicable. 3 Undated References This Section of Part 1 is applicable. 4 Units of Measurement This Section of Part 1 is applicable. 5 Glossary This Section of Part 1 is applicable. 6 General Requirement This Section of Part 1 is app
12、licable. 7 General Notes on Tests This Section of Part 1 is applicable. 8 Marking This Section of Part 1 is applicable except as follows: 8.1 Item (j) is not applicable. 6 SUBJECT 7700-2-37 JUNE 15,2001 9 Instruction manual This Section of Part 1 is applicable except as follows: 9.2.3 Under Personal
13、 Safety, items (i), (j) and (k) are not applicable. 10 Electrical Circuits This Section of Part 1 is applicable. 11 Rotating Output This Section of Part 1 is applicable. 12 Surface Temperatures This Section of Part 1 is applicable. 13 Accessibility of Moving Parts This Section of Part 1 is applicabl
14、e. 14 Mechanical Strength This Section of Part 1 is applicable. 15 Construction This Section of Part 1 is applicable except as follows: 5.14 This paragraph of Part 1 is not applicable. Add paragraph: 15.101 A plate jointer shall be provided with a guard that automatically retracts to the closed posi
15、tion when not in use. There shall not be provision for locking the guard in the open position. The guard shall be constructed so that is stays in contact with the workpiece when the tool is retracted, or when released from its full open position it shall retract to its fully closed position in a tim
16、e not more than 0.3 s. Compliance is checked by inspection, and the following tests. One sample of the tool is to be conditioned by making 50 plunge cuts into soft pine wood that has been stored indoors for 72 h prior to the sawing. The tool is then to be conditioned for 24 h in a relative humidity
17、of 90 percent (plus 5, minus O percent) at a temperature of 32 I 2C (89.6 I3.6“F). Following conditioning the closing time is to be measured. JUNE 15,2001 SUBJECT 7700-2-37 7 Exception: The tool is not required to be conditioned if it is obvious that the accumulation of sawdust will not afect the cl
18、osure time of the guard. The plate jointer is to be oriented so that the guard will impact the floor when dropped from a height of Im onto a concrete surface. The closing time is measured. The plate jointer is to be oriented in the hand carry position and dropped from a height of I m (3.3 ft) onto a
19、 concrete surface. Following the impact, the closing time is to be measured. 16 Noise Emission This Section of Part 1 is applicable. 17 Resistance to Rusting This Section of Part 1 is applicable. 18 Accessories and Attachments This Section of Part 1 is applicable. a SUBJECT 7700-2-37 JUNE 15,2001 No Text on This Page
