1、Designation: F2645 07 (Reapproved 2011)An American National StandardStandard Specification forBun Slicing Machines1This standard is issued under the fixed designation F2645; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers commercial, electrically oper-ated, bun slicing machines.1.2 The values stated in inch-po
3、und units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is there
4、sponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate, Sheet, an
5、d StripD3951 Practice for Commercial PackagingF760 Specification for Food Service Equipment ManualsF1166 Practice for Human Engineering Design for MarineSystems, Equipment, and Facilities2.2 ANSI Standards:3Z1.4 Sampling Procedures and Tables for Inspection byAttributes2.3 BISSC Standards:4ANSI/BISS
6、C/Z50.2-2003 Sanitation Standard for the De-sign of Bakery Equipment2.4 NEMA Standards:5MG 1 Motors and Generators2.5 NSF/ANSI Standards:6NSF/ANSI No. 8 Commercial Powered Food PreparationEquipment2.6 ANSI/UL Standards:7ANSI/UL 763 Motor-Operated Commercial Food PreparingMachinesANSI/UL 969 Marking
7、and Labeling Systems2.7 Federal and Military Documents:8MIL-STD-1399/300 Interface Standard for Shipboard Sys-tems Section 300A Electric Power, Alternating CurrentMIL-STD-167/1 Mechanical Vibrations of ShipboardEquipment (Type IEnvironmental and Type IIInternally Excited)MIL-STD-461 Requirements for
8、 the Control of Electro-magnetic Interference Characteristics of Subsystems andEquipment3. Terminology3.1 Definitions:3.1.1 bun slicing machine, nmachine with a motor-drivenknife for slicing buns and having a chute to position and feedthe whole bun by gravity for slicing; it may have a dischargetabl
9、e for holding the buns awaiting manual removal from themachine.3.1.2 recovered materials, nmaterials that have been col-lected or recovered from solid waste and reprocessed tobecome a source of raw materials, as opposed to virgin rawmaterials.4. Classification4.1 GeneralBun slicing machines covered
10、by this speci-fication are classified by type, class, size and style.4.2 Type:4.2.1 Type IBun slicing machine, electrically operated,single knife.4.2.2 Type IIBun slicing machine, electrically operated,dual knife.1This specification is under the jurisdiction of ASTM Committee F26 on FoodService Equi
11、pment and is the direct responsibility of Subcommittee F26.04 onMechanical Preparation Equipment.Current edition approved Oct. 1, 2011. Published January 2012. Originallyapproved in 2007. Last previous edition approved in 2007 as F2645 07. DOI:10.1520/F2645-07R11.2For referenced ASTM standards, visi
12、t the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York,
13、 NY 10036, http:/www.ansi.org.4Available from Baking Industry Sanitation Standards Committee (BISSC), P.O.Box 3999, Manhattan, KS 66505-3999.5National Electrical Manufacturers Association (NEMA), 1300 North 17th St.,Suite 1752, Rosslyn, VA 22209.6Available from NSF International, P.O. Box 130140, 78
14、9 N. Dixboro Rd., AnnArbor, MI 48113-0140.7Available from COMM 2000, 1414 Brook Drive, Downers Grove, IL 60515.8Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.1Copyright ASTM International, 100 Barr Harbor Drive, PO B
15、ox C700, West Conshohocken, PA 19428-2959, United States.4.2.3 Type IIICluster-bun slicing machine, electricallyoperated, dual knife.4.3 Class:4.3.1 Class IFixed chute.4.3.2 Class IIAdjustable chute.4.3.3 Class IIIAutomatic/conveyor feed.4.4 Size:4.4.1 Size 1Small; bun size up to 3-in. (76-mm) high
16、by4-in. (102-mm) wide.4.4.2 Size IIMedium; bun size up to 3-in. (76-mm) highby 6-in. (152-mm) wide.4.4.3 Size IIILarge; bun size up to 3-in. (76-mm) high by934-in. (229-mm) wide.4.4.4 This specification does not purport to address all of thesizes that may be available, but it does provide an overvie
17、w ofthe most common sizes used in the industry today.4.5 Style:4.5.1 Style ICounter top or benchmounted.4.5.2 Style IIFloormounted.4.5.3 Style IIIPortable.5. Ordering Information5.1 Ordering DataPurchasers shall select the bun slicingmachine and any preferred options and include the followinginforma
18、tion in the purchasing document:5.1.1 Title, number, and date of this specification.5.1.2 Type, class, size and style of machine required.5.1.3 Quantity to be furnished.5.1.4 Electrical Power Supply CharacteristicsVoltage,phase, frequency (see 7.2.1).5.1.5 Accessory equipment, options, spare parts,
19、and main-tenance parts required,5.1.6 When Federal/Military procurement is required, re-view and implement the applicable supplementary require-ments (see Supplementary Requirements S1S8).5.1.7 When specified, the purchaser shall be furnishedcertification that samples representing each lot have been
20、 eithertested or inspected as directed in this specification and therequirements have been met. When specified, a copy of the testresults shall be furnished.5.1.8 Level of preservation and packing required if otherthan as stated in Practice D3951 (see Section 18).5.1.9 Labeling requirements (if diff
21、erent than Section 16).5.1.10 Whether the equipment meets the requirements ofNSF/ANSI, ANSI/UL, or BISSC standards, or a combinationthereof.6. Material6.1 GeneralMaterials used in the construction of bunslicing machines shall comply with the applicable requirementsof NSF/ANSI No. 8 or ANSI/BISSC/Z50
22、.2-2003, Parts 1 and4.13, or both. Materials used shall be free from defects thatwould affect the performance or maintainability of individualcomponents or of the overall assembly. Materials not specifiedherein shall be of the same quality used for the intendedpurpose in commercial practice. None of
23、 the above shall beinterpreted to mean that the use of used or rebuilt products areallowed under this specification unless otherwise specified.7. Design and Construction7.1 GeneralBun slicing machines shall be delivered as-sembled, ready for mounting, connection to electricity, and useas applicable.
24、 The bun slicing machine shall be simple todisassemble and reassemble without special tools or equip-ment. It shall meet the then current requirements of NSF/ANSINo. 8, ANSI/BISSC/Z50.2-2003, Parts 4.13 and 4.28, orANSI/UL 763, or a combination thereof.7.1.1 The bun slicing machine shall consist of
25、a feedingchute tilted at a 20 to 35 vertical angle with the machine baseand a circular cutting knife or knives rotated by an electricmotor or motors. The feed chute may have adjustments for bunwidth and height, and thickness and depth of cut. If so, thechute interior width shall be infinitely adjust
26、able from a lowerlimit of no more than 114 in. (31.8 mm) to an upper limit of noless than 412 in. (114 mm). The cutting knife height shall beinfinitely adjustable from a lower limit of no more than12 in.(12.7 mm) above the base of the chute to an upper limit of noless than1516 in. (24 mm) above the
27、base of the chute. Class Iand III bun slicing machines shall be provided with 4 non-skidfeet, and shall have envelope dimensions no greater than 24 in.(610 mm) wide, 34 in. (864 mm) deep, and 31 in. (787 mm)high. No tools or excessive force shall be required to makeadjustments on the bun slicing, an
28、d during adjustment, thereshall be no binding or jamming of moving parts. The bunslicing machine shall be capable of slicing both soft and hardbuns and rolls without jamming or stalling, and without tearingor crushing the buns or rolls. When the machine is operating,the cutting knife shall rotate su
29、ch that, within the chute, thecutting edge travels away from the bun inlet. The cutting teethor serrations, as applicable, shall have cutting edges facing thesame direction as the blade travel.7.1.2 Compliance with NSF/ANSI No. 8Acceptable evi-dence of meeting the requirements of NSF/ANSI No. 8 shal
30、l bethe NSF certification mark on the bun slicing machine andlisting in the current edition of the NSF Official Listing of FoodService Equipment, a certified test report from a recognizedindependent testing laboratory acceptable to the user, or acertificate issued by NSF under its special one time c
31、ontractevaluation/certification service.7.1.3 Compliance with ANSI/BISSC/Z50.2-2003, Parts 4.13and 4.28Acceptable evidence of meeting the requirements ofANSI/BISSC/Z50.2-2003, Parts 4.13 and 4.28 shall be aphotocopy of the current BISSC certificate of authorization forthe bun slicing machine or a ce
32、rtified test report from arecognized, independent testing laboratory acceptable to theuser.7.1.4 Compliance with ANSI/UL 763Acceptable evidenceof meeting the requirements of ANSI/UL 763 shall be a ULListing mark on the bun slicing machine, or a certified testreport from a recognized, independent tes
33、ting laboratory ac-ceptable to the user.7.2 Electrical Requirements:7.2.1 Power SupplyThe bun slicing machine shall befurnished with a 6-ft (1.83-m) minimum length cord and plugwith ground or shall be double-insulated. The cord and plugshall be sized for and be the appropriate configuration for thes
34、pecified electrical characteristics.F2645 07 (2011)27.2.2 MotorElectric motors used on the bun slicing ma-chines be of the continuous duty type and shall conform toNEMA MG 1 and ANSI/BISSC/Z50.2-2003, Part 4.29. Themotor shall be of sufficient horsepower and speed to meet theproduction capacity.7.3
35、Motor ControllerThe motor shall be controlled by anON-OFF switch accessible to the operator. The switch shalleither be provided with a guard or located to help preventaccidental actuation.7.4 Cutting KnifeThe cutting knife shall either be hard-ened, carbon steel or stainless steel. Stainless steel k
36、nives shallconform to Specification A167 and heat treated so that thehardness of the cutting blade, measured within14 in. (6.4 mm)of the cutting edge, shall be not less than 50 nor more than 60on the Rockwell C scale.8. Performance Requirements8.1 When tested in accordance with Section 11, the bunsl
37、icing machine shall operate without failure of the majorfunctional components.9. Workmanship, Finish and Appearance9.1 All components and assemblies of the dough divider androunder shall be free from dirt and other extraneous materials,burrs, slivers, tool and grind marks, dents, and cracks. Cast-in
38、gs, molded parts and stampings shall be free of voids, sandpits, blow holes, and sprues. External surfaces shall be freefrom kinks, dents, and other deformities. Forming and weldingshall not cause damage to the metal and shall be done neatlyand accurately.10. Sampling10.1 Arepresentative production
39、model shall be selected forperformance testing.10.2 When specified in the contract or purchase order,sampling for inspection shall be performed in accordance withANSI Z1.4.11. Test Methods11.1 Operational TestThe bun slicing machine shall beoperated, without a load, and meet the following requiremen
40、tsas applicable. Inability of the machine to operate as specifiedherein shall constitute failure of the test.11.1.1 Proper operation of motor starting and stoppingdevices.11.1.2 Proper operation of adjusting and operating deviceswithin the limits specified in 7.1.1 without binding, excessivefriction
41、, or excessive play.11.1.3 Proper operation of parts.11.1.4 No overheating of bearings.11.1.5 Rotation and cutting edge orientation of the slicingknife shall be observed for conformance with 7.1.1.11.2 Performance TestOne dozen soft buns and onedozen hard rolls, each measuring between 112 in. (38.1
42、mm)and 4 in. (102 mm) in width, and between 134 in. (44.5 mm)and 234 in. (70 mm) height shall be required for this test.Noncompliance with the requirements of 7.1 shall constitutefailure of this test.11.2.1 Hard RollsThe bun slicing machine chute shall beadjusted to allow the hard rolls to be sliced
43、 completely in halfapproximately34 in. (19 mm) above the bottom of the roll. Alladjustments made during this test shall be liberal to adjust forirregular baking uniformity. With the machine switched on, sixhard rolls shall be fed in and sliced. The chute shall be adjustedto allow the hard rolls to b
44、e sliced approximately half of theway through at a height approximately58 in. (16 mm) abovethe bottom of the roll, and the remaining six hard rolls shall befed into the operating bun slicing machine and sliced.11.2.2 Soft RollsThe chute shall be adjusted to allow thesoft buns to be sliced completely
45、 in half approximately34 in.(19 mm) above the bottom of the bun, and six buns shall be fedinto the operating bun slicing machine and sliced. The chuteshall then be adjusted to allow the soft buns to be slicedapproximately half of the way through at a height approxi-mately12 in. (12.7 mm) above the b
46、ottom of the bun, and theremaining six buns fed into the operating bun slicing machineand sliced.12. Sampling and Quality12.1 When specified in the contract or purchase order,sampling for inspection shall be performed in accordance withANSI Z1.4, which shall supersede implied sampling require-ments
47、stated elsewhere in this specification.13. Inspection13.1 End Item TestingWhen specified in the contract orpurchase order, one production item, selected at random fromeach lot, shall be tested by the manufacturer in accordance withthe applicable paragraphs of Section 11. Performance resultsshall be
48、recorded in a permanent file, and the information shallbe available to the customer upon demand. Any subsequentchange in design that would relate to performance shall requirea new test record.13.2 Component and Material InspectionIncoming com-ponents and materials shall be inspected by the manufactu
49、rer tothe design parameters as specified on drawings or purchasedocuments, or both.14. Rejection and Rehearing14.1 Material that fails to conform to the requirements ofthis specification may be rejected. Rejection should be reportedto the producer or supplier promptly and in writing. In case ofdissatisfaction with the results of the test, the producer orsupplier may make claim for a rehearing.15. Certification15.1 When specified in the purchase order or contract, thepurchaser shall be furnished certification that samples repre-sent
