Front Final - Techmar Enclosures

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ABOUT TECHMARSince 1965, Techmar Enclosures has consistently manufactured andmarketed innovative rackmounting electronic packaging systems. AllTechmar components are fabricated from the finest quality materialsand machined with precision,meeting or exceeding industry standards.Offering a wide array of kit options — including rackmount and desktopenclosure combinations of 64 heights and depths — Techmar designs arebased upon an erector-set concept featuring interchangeable modularcomponents, punched hole patterns and captive hardware, resulting in amultitude of possible configurations to meet your dimensional and structuralrequirements. Drawings are available in PDF and AutoCAD formats.Visit our website at www.techmar-enclosures.com. For quality, consistency,intelligent design, flexibility and fast delivery, choose Techmar Enclosures.2

TECHMAR PRODUCTSSRK /CRKSeven-eighths Rackmount Kit/Chassis Rackmount KitThe modular SRK /CRK series offers a wide variety of assembly optionswithout requiring additional drilling or punching.BKBasic KitSimple economical packaging system offers the same high-quality designand materials, ease of assembly, plus the strength and flexibility of allTechmar enclosures.VCD / VSAVariable Chassis Drawer/Variable Stand AloneVersatile chassis that come equipped with a sturdy 12- piece frame, frontand rear panels, solid or perforated sides, solid or ventilated topand bottom covers.3

SRK/CRK SERIESSeven-eighths-spacing Rackmount Kit /Chassis Rackmount KitTechmar enclosure designs include interchangeable modular components,punched hole patterns and captive hardware, resulting in a multitude ofpossible configurations to meet your dimensional and structural requirements.The durable SRK/CRK series aluminum enclosures feature a 7/8" verticaland 1/2" horizontal side frame hole pattern. Double bends in side framesand heavy-duty aluminum alloy materials increase strength and rigidity.4

SRK/CRK KIT FEATURESThe modular SRK/CRK series offers a wide variety ofassembly options without requiring additional drilling orpunching. These durable aluminum enclosures featureunique 7/8" vertical spacing between rows of assemblyholes on double bent side frames (half the standard EIArackmounting height increment) to provide horizontaluniformity. All 28 combinations of four depths and sevenheights are stocked for immediate shipping.HOW TO ORDERSRK & CRK Kit SelectionUsing the dimensional chart, select the chassisSRK Standard Parts Front Panel (FP) .125" thick Oval Section Handles (OSH), clear anodized Side Frames (SF-SE) with 7/8" verticalthat is appropriate for your project. As anaid, refer to the Techmar price list, whichclearly defines all standard enclosures.hole spacingCreate your own unique chassis by including Heavy-duty Mounting Panel (HMP)options and substitutions in your part number. Perforated Aluminum Non-slidingCovers (PANC)Order CodesOrder codes are combinations of partnames composed of acronyms and dimensionslinked together by dashes. The followingCRK Standard PartsSimilar to the SRK model with several exceptions: Flanged Full Bottom Plate (FBP) replacessection shows how to create order codes forkits in both the SRK and CRK series.Perforated Aluminum Non-sliding Cover. The CRK is not supplied with a top cover.Materials (all aluminum alloys)Finish 6061-T6 front panels, panel ears 5052-H32 side frames, mounting panels,Clear anodized covers; clear or blackSample SRK Order CodeSRK-7H -19DSample CRK Order Code with OptionsCRK-3H-12D-DFP-PANC-OSH-BArear panels, perforated covers andanodized handles; clear chem filmsolid covers(iridite) on other parts 6063-T5 handlesHardwareStainless steel hardware included withSurfaceeach kit or part.Horizontal grain front panels; etched andgrained handles5

SRK/CRK KIT OPTIONSThe SRK/CRK series come in seven heights and four depths as outlined below.Different option codes may be used to modify any standard kit.Available Heights and Depths:KIT DASHEIA HS-12D-15D-19D-24DOptions & SubstitutionsStandard designated rackmount kits are not necessarily limited and may be modified utilizing substitutionsas illustrated below. Techmar rackmount products are designed to meet EIA specifications.OptionOrder Code3/16" - thick Front Panel-3/16Dropdown Front Panel- DFPFull Bottom Plate(bottom cover excluded)- FBPOval Section Handles, Black Anodized- OSH-BASolid Aluminum Non-sliding Covers(replaces 1 or 2 perforated covers)-1:SANC-2:SANCPerforated Aluminum Hook-on Covers(replaces 1 or 2 perforated covers)-1:PAHC-2:PAHCSolid Side Frames6- SF-SE-S

OVERVIEW OF STANDARD SRK/CRK PARTSThese are the standard parts used in most SRK and CRK kits. Complete descriptions of each part will be covered on the following pages.With a variety of options available for customizing rackmount kits, it may prove easier to order the components individually. Please notethat except for slides, which are sold in pairs, all parts are sold as individual units.Oval Section Handles(OSH)Streamlined rounded design eliminates bothersome sharp edges. Available in clear or black anodized.Front Panel(FP)Techmar EIA standard 19" wide, 1/8"-thick notched. Front Panels are available in seven EIA heights.Side Frame -Seven-Eighths(SF-SE)Side Frames have drilled assembly holes with vertical center-to-center spacing of 7/8" to facilitatecomponent mounting and ventilation. Also available solid without perforations.Full Bottom Plate(FBP)Providing a sturdy assembly base for heavy components, the flanged Full Bottom Plate features sideframe mounting for added rigidity.Covers(PANC) (SANC) (PAHC)For ventilation, interior component protection or quick access, covers are available perforated(PANC), solid (SANC) or perforated hook-on (PAHC).7

SRK/CRK PRODUCT LINESide Frame-Seven-Eighths (SF-SE)Side Frames have drilled assembly holes with vertical center-to-center spacing of 7/8". Thisdimension is one half the EIA increment and creates uniform spacing, facilitating assembly ofinternal mounting components. Also available solid without perforations.Material: 5052-H32 aluminum alloyThickness: .090"Surface: Horizontal grainFinish: Clear chem film (iridite)Hardware: Installed stainless steel captive nutsFront Panel (FP)Techmar EIA standard 19"- wide notched Front Panels are available in seven heights forimmediate shipping.Material: 6061-T6 aluminum alloyThickness: 1/8" standard, 3/16" optionalSurface: Horizontal grainFinish: Clear chem film (iridite)Hardware: Stainless steel screws and washersDropdown Front Panel (DFP)Dropdown Front Panels consist of two panel ears that assemble to side frames, and apin-hinged main panel. The main panel is latched with decorative thumbscrews andsupported by lanyards when open. Stocked in EIA heights from 3.47" to 13.97".Material: 6061-T6 aluminum alloyThickness: 1/8"Surface: Horizontal grainFinish: Clear chem film (iridite)Hardware: Stainless steel screws, washers, decorative thumbscrews and lanyards8

SRK/CRK PRODUCT LINEOval Section Handles (OSH)Streamlined, solid OSH are standard-issue handles for SRK/CRK kits. Five different sizes ofOSH are stocked according to their hole center dimensions. Finishes are anodized clear orblack. OSH handles mount to the front panel and side frames with no visible hardware.Material: 6063-T5 aluminum alloySurface: Deep etchedFinish: Clear or black anodizedHardware: Stainless steel screws and washersHeavy-duty Mounting Panel (HMP)HMPs function as rear panels and may also be utilized as interior mounting panels forinternal components.NOTE: To assemble the HMP vertically with a Full Bottom Plate (FBP), order the HMP one sizesmaller than the height of the kit.Material: 5052-H32 aluminum alloyThickness: .090"Surface: Horizontal grainFinish: Clear chem film (iridite)Hardware: Installed stainless steel captive nuts, oval head screws and washersFull Bottom Plate (FBP)Typically used as assembly bases for heavy components, Full Bottom Plates have 90-degreeflanges that connect to side frames using screws and captive nuts. Attach the FBP with flangesdown or with flanges up for maximum interior height. FBPs are stocked in four depths: 12", 15",19" and 24".Material: 5052-H32 aluminum alloyThickness: .090"Surface: GrainedFinish: Clear chem film (iridite)Hardware: Installed stainless steel captive nuts, screws and washers9

SRK/CRK PRODUCT LINECovers (PANC) (SANC) (PAHC)Techmar stocks three types of covers to provide ventilation and protection of internal components.Material: 5052-H32 aluminum alloyThickness: .063"Surface: Grained and light etchedFinish: Clear anodizedHardware: Stainless steel flathead screws Perforated Aluminum Non-sliding Covers (PANC)PANCs have flanges on all four edges that enhance the strength of the enclosure. Coversscrew down to tabs of side frames at each corner. Solid Aluminum Non-sliding Covers (SANC)Same as PANC but with no perforations. Perforated Aluminum Hook-on Covers (PAHC)PAHCs are secured by hooks at one end of the enclosure and feature thumbholes at theopposite end, enabling quick access to chassis interior.RACKMOUNT ACCESSORIESQuarter-inch Card Cage Kits (QCC) Quarter-inch spacing between cards increases mounting options. Card cages assemble for top, front and rear loading in any Techmar SRK/CRK series chassis. Connectors can be mounted either above or below hole flanges on connector rails; the railscan be attached to side frames with the flange up or down. Slots in the connector flanges let you assemble card connectors of any length withoutadditional drilling.NOTE: For front-loading cards, you may want to select a Dropdown Front Panel. For 4 -1/2" highfront-loading cards using side frames (SF-SE, 7/8" spacing), additional mounting holes must10be drilled.

SRK/CRK PRODUCT LINECARD CAGE PARTSThe following lists available parts and their order codes for Techmar Quarter-inch Card Cages.Material: QGF Guide Frames – 18 gauge stainless steel, QCR Connector Rails – 16 gauge stainless steelFinish: 100-grit horizontalHardware: Stainless steel captive nuts installed, screws and washers, SIG Snap-in GuidesMounting Bars (MB)Mounting Bars can be installed to support and position subassemblies. Holes located atMounting Bar ends align with the assembly holes in side frames.Material: 6061-T6 aluminum alloySurface: Deep etchedFinish: Clear chem film (iridite)Hardware: Stainless steel pan head screws and washersSlidesSlides include your choice of smooth action, heavy weight-accommodating ball-bearing modelsor the economical solid-bearing series. Ordered in pairs, they assemble to side frames with flatmounting adapters, which are provided. Please use the slide selection chart to order. QDLS-SB Series:Quick Disconnect Locking Slides -- Solid Bearing QDLS-BB Series:Quick Disconnect Locking Slides -- Ball lled steelEtched in ChromiteCadmium plated steel.38" OverallHeight:Finish:Height:Surface:1.69"Poxylube coated3.25" (should not beIridite DippedThickness:Hardware:used with 3.47" side.291" overallAdapters and screwsframes)Hardware:Adapters and screws11

BASIC KIT SERIESBasic Kit Chassis DrawerThe Basic Kit is a simple, rugged, economical packaging system offeringexcellent materials and quick easy assembly. Lower in price, these sturdyaluminum kits feature rear panels without flanges for easy machining.Also available, .090"- thick chassis base plates and .090"- thicksolid covers can be ordered separately.12

HOW TO ORDERBK Standard Components(For heights 3.47" to 12.22" and depths 8",12", 18", 24") Basic Front Panel (BFP), .125" thick Basic Side Panels (BSP), solid without perforations Basic Rear Panel (BRP), without flanges for1U Basic Kiteasy machining Basic Top and Bottom Covers (BTBC), solidwithout perforations Oval Section Handles (OSH), clear anodized(same as SRK/CRK)BK OptionsBasic Kit modification may be accomplishedusing the following substitutions1U Basic Kit Fan Tray Black Anodized Handles – BAH Side panels With assembly Hole Rows – WHR .090"- thick Top/Bottom Cover – 1:BTBC-.090 Perforated Top/Bottom Cover – 1PC Perforated Top/Bottom Covers – 2PC Chassis Base Plate – CBPBASIC KIT FEATURESThis simple economical packaging system offersthe same high-quality design and materials, easeof assembly, plus the strength and flexibility of allTechmar enclosures. When ordering kits or parts,use the method discussed in the SRK/CRKServing as a rigid assembly base for heaviersection of the catalog.components, the Chassis Base Plate is a flanged.090"- thick recessed interior mounting shelf thatconnects to the side panels using screws andcaptive nuts.Note: Usage of CBP results in an internalenclosure height loss of approximately 1". If solidsides panels are selected, drilling is required.13

BASIC KIT PRODUCT LINE1U Basic Kit (1U BK)The 1U Basic Kit reflects the diminutive trend in microelectronics and features a fan tray option developed as an effective coolingsolution. The 1U Basic Kit is comprised of components specific to this chassis only. Parts for the standard BK-1H-12D solidenclosure without perforations include: Basic Front Panel (BFP-1H), .125" thick1U BK Kit Options Basic Rear Panel (BRP-1H) Perforated Top Cover – PC Top Cover (TC-12D), solid without perforations Perforated Bottom Panel – PBP Bottom Panel (BP-1H-12D), solid Perforated Top Cover, Perforated Bottom Panel – PC-PBP1U BK Fan Tray KitProviding maximum ventilation, this version of the 1U BK includes top and/or bottom panels with three or six fan-mounting holes.Basic Side Panels (BSP)Basic Side Panels are available solid without perforations or with optional assembly holerows for component mounting.Material: 5052-H32 aluminum alloyThickness: .090"Surface: Horizontal grainFinish: Clear chem film (iridite)Hardware: Installed stainless steel captive nutsBasic Front Panel (BFP)Techmar EIA standard 19"- wide notched Basic Front Panels are available in six heights forimmediate shipping.Material: 6061-T6 aluminum alloyThickness: 1/8"Surface: Horizontal grainFinish: Clear chem film (iridite)14Hardware: Stainless steel screws and washers

BASIC KIT PRODUCT LINEBasic Rear Panel (BRP)Available in six heights, Basic Rear Panels are manufactured without flanges for easy machining.Material: 5052-H32 aluminum alloyThickness: .090"Surface: Horizontal grainFinish: Clear chem film (iridite)Hardware: Stainless steel screws and washersBasic Kit Top and Bottom Covers (BTBC)Three types of Basic Kit Covers provide ventilation and protection of internal components. Forsolid covers without perforations, choose from the standard .063"- thick BTBC or the optional.090"- thick BTBC-.090. If ventilation is desired, select the BTBC-PC.Material: 5052-H32 aluminum alloyThickness: .063" and .090"Surface: Grained and light etchedFinish: Clear anodizedHardware: Stainless steel flathead screwsBasic Kit Mounting Bars (BMB)Mounting Bars can be installed to support and position subassemblies. Holes located atMounting Bar ends align with the assembly holes in side frames.Material: 6061-T6 aluminum alloySurface: Deep etchedFinish: Clear chem film (iridite)Hardware: Stainless steel screws and washers15

VCD/VSA SERIESVariable Chassis Drawer / Variable Stand AloneThe versatile VCD/VSA chassis are available in black or silver with a varietyof options, including hinged panels and a fully adjustable card cage. TheVCD/VSA models permit conversion from the rack to the desktop andfacilitate machining as a result of flat-panel construction.16

VCD KITSVSA KITSThe Variable Chassis Drawer rackmount kit offers larger interiorThe Variable Stand Alone kit is a desktop-designed chassis consistingworking space with its sturdy 12-piece frame construction.of the same construction as the VCD kit.VCD KITS STANDARD PARTSVariable Chassis Drawer (VCD)These components are the standard parts used in our VCD series. Each part is outlined on the following pagesalong with various options for customizing your enclosure.Components include: SFP Standard Front Panel TPF Twelve Piece Frame SSP Structural Side Panels RFBOBP Rear Panel T/BC Top/Bottom Covers DCH Die Cast Handles17

KIT SELECTIONHOW TO ORDER BY KITAlthough the scheme for ordering kits initially may seem complex and daunting, it effectively conveys a variety of kit options. We’reconfident that you’ll quickly get the hang of our alphabetic and numeric acronyms.1. Rackmount or Stand Alone? If rackmount, start your kit code with the letters VCD (Variable Chassis Drawer). If stand alone, start withthe letters VSA (Variable Stand Alone).2. What height? Choose any of the EIA panel heights from 3.47" to 13.97". Translate to the whole-number code 3, 5, 7, 8, 10,12 or 14. Add a dash before the number and a letter H after it. Example: Your kit code could become VCD-10H.3. What front-to-back depth? Choose any of the four depths — 10,13,17 or 22 inches. Add a dash and the letter D for Depth.Your kit develops: VCD-10H-17D.4. What color selection? Components are available in clear-coated brushed aluminum or black anodized. Combinations may beutilized to achieve a two-tone effect. Example of codes: CF/H Clear Frame & Handles, BF/H Black Frame & Handles,CP Clear Panels, BP Black Panels.18

DESIGNATING KIT SUBSTITUTIONS & DELETIONS The addition of the following codes to VCD/VSA part numbers permits enclosure modification.- BHFP: Substitute Bottom-Hinged Front Panel in place of an SFP Standard Front Panel.- OFP: If kit is a VSA, the RFBOBP, Recessed Front Panel, is replaced by an OFP, Outside Front Panel.- NH: No Handles.- NFP: No Front Panel. Other parts may be omitted by using their part codes with an N in front. Kit dash codes for TOP/BOTTOM COVER Substitutions-1:T/BC.OTP: One Top/Bottom Cover, One Third Perforated, replaces one of the T/BC.P fully Perforated covers on the VCD.-2:T/BC.OTP: Replaces both covers on the VCD.-1:T/BC.NP: One Top/Bottom Cover, Non-Perforated, replaces one of the T/BC.P fully Perforated covers on the VCD or one ofthe T/BC.OTP One-Third Perforated covers on the VSA.-2:T/BC.NP: Replaces both covers on the VCD or VSA.-1 T/BC.P: One Top/Bottom Cover, fully Perforated, replaces one of the T/BC.OTP One Third Perforated covers on the VSA.-2 T/BC.P: Replaces both covers on the VSA.(Two of the “substitute 1” dash codes can be added to get two covers different from each other.) Kit dash codes for CHASSIS BASE ASSEMBLY-1:CBA.O: One Chassis Base Assembly (recessed internal plate) for use with Standard Front Panels and Outside Front Panels.Replaces bottom cover on the VCD.-1:CBA.R: One Chassis Base Assembly for use with RFBOBP, Recessed Front or Rear Panels.Replaces bottom cover on the VCD/ VSA. Kit dash code for TWELVE PIECE FRAME OPTION- TPF.S.H.: Twelve Piece Frame for use with Slides and Handles. Kit dash codes for ColorsTo designate color scheme add two of the following color dash codes:- CF/H: Clear Frame and Handles- BF/H: Black Frame and Handles- CP: Clear Panels- BP: Black Panels19

VCD/ VSA PRODUCT LINEThe following pages are various parts and accessories that may be used whenbuilding your Variable Chassis Drawer and Variable Stand Alone enclosure. Card Cage Parts & AccessoriesIn addition to the many options that make up the VCD/ VSA kits, we offerGeneral Purpose Card Cages that permit continuous adjustment andvariability to accommodate a wide range of circuit cards.GPCC.NBP KIT General Purpose Card Cage with No Back PlaneComponents include: CGR.H-.25 (2 ea.)CGR.S -.25 (2 ea.)CCR.25 (2 ea.)CARD CAGE PARTS CCB (12 ea.)(GPCC.NBP also available with .20" spacing)Card Guide Rails (CGR)Techmar offers four card guide rails to accommodate your choice of .20" or .25" connector pitches. The CGR series includes adjustablebrackets, which permit the cage to be assembled for front, back, top or bottom loading. By choosing the appropriate length of card guide,you can accommodate any card size that will fit wi

BK Basic Kit VCD/VSA Variable Chassis Drawer/Variable Stand Alone. 4 SRK/CRK SERIES Techmar enclosure designs include interchangeable modular components, punched hole patterns and captive hardware, resulting in a multitude of possible configurations to meet your dimensional and structural requirements.

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