24 sprocket 2d cad drawings. Chain-sprocket wear is reduced if the smaller sprocket has an even number of teeth and the chain has an uneven number of pitches. "/> tony stark x son reader wattpad; 2001 jayco dove specs; do you need to buy. Click on the part number for instant access to product specifications, 3D CAD. Support for Martin Sprocket & Gear: part number interchange, catalogs & brochures, safety & installation info. 8 MPH. marble table. 2012 Size: 48. CAD blocks and files can be downloaded in the formats DWG, RFA, IPT, F3D; Martin Ráèil; skp xsi 3ds dae dwg dxf fbx oth obj stl wrl > Compatible with exis. Chain Sprocket kit SketchUp + xsi 3ds dae dwg dxf fbx oth obj stl wrl: $5. Some advantages of using computer aided designs include time saving, avoiding costly mistakes and improving the quality of design. China Chain and sprocket factory : Small hollow pin chain catalogue in Cuiaba Brazil Roller Top 883prr Conveyor Chain with ce certificate top quality low price We – EPG Team the biggest Chain and agricultural gearbox manufacturing unit in China with 5 various branches. Browning ® mounted ball and tapered roller bearings are designed to perform in a variety of industries worldwide and are available in a variety of sizes, housings and locking styles. Features and benefits. Racers were only allowed to make minimal modifications in order to compete; under strict regulation guidelines, stock Sportsters were converted into flat track racers. 50, B Style,. CAD Drawings. Martin Bushed Sprockets - Double Strand. Drive sprocket drawing. Prophetstown, IL Custom Manufacturer* $1 - 4. The shape of the tooth form is mathematically related to the Chain Pitch (P), the Number of Teeth on the Sprocket (N), and the Diameter of the Roller (Dr). Schedule: 1st Shift, Monday - Friday, 7:00 AM - 3:30 PM. of Teeth, Pitch, Bearing Radial Load Rating at 500 RPM, CAD . Part Number. Generate detailed shop prints. Engineered Bearings. Browse to a product detail page by searching for a specific product number using the search bar or by accessing our online. The traceparts. Millions of users download 3D and 2D CAD files everyday. CAD Drawings. Weld-on, idler and stock bore sprockets are offered. SprocketsE206 Tsubaki of Canada Limited, 1630 Drew Road, Mississauga, ON L5S 1J6 Tel: 905-676-0400 Fax: 905-676-0904 Toll-Free: 800-263-7088 www. Rail - Section 110RE 110 Ibs. com with your question or simply check out our FAQs online, we are always looking for ways to help educate our customers about chain. Select "STAY CONNECTED" to extend your session. 10 479 2. Martin Sprocket and Gear Inc: Martin Sprocket & Gear, Inc. 10 479 2. Help to maintain machines and work areas in a clean and safe manner. 10 479 2. Sign in. Need CAD Models for #Sprockets? Get them for free on the #Martin website. Search the app by hashtag to seamlessly filter and print social media photos from your smartphone. No. Belt Drives Martin V-belt sheaves meet the toughest demands of industry, while continuing the Martin tradition of providing the utmost in service and maintaining unsurpassed manufacturing standards. View All CAD Drawings. 81X sprockets work with chain sizes: 81X, 81XH, 81XHH, 81XHD, 81XXHD, 81XHS, 81X-RT, 81XHT. 2012 nick: ahafac martin pulley 3d drawing Martin Sprocket & Gear : Power transmission, Specialized in Roller. Engineered Bearings. Design, or CAD drawing; At least one year of experience in programming a. Style A - Flat sprocket with no hub extension either side. 6875 in Length Through Bore, 0. Martin Sprocket & Gear. Sign in. CAD / 3D DRAWINGS. Engineered Bearings. As the beautiful images in this book. Copy and paste the part or item # and required quantities from your files. Manufactured according to ISO606 & ASME B29. The different types allow for different applications. check martin sprocket price on Ebay. sprocket - Recent models | 3D CAD Model Collection | GrabCAD Community Library. By submitting this form, you are granting: B&B Manufacturing®, 712 N. Rexnord's 2D/3D CAD Drawings are used for design and technical documentation, which replaces manual drafting with a easy automated process. How can we improve this page? Customer Service. 2012 Size: 48. TAPER BUSHED ADJUSTABLE HUB SPECIAL BEARING HOUSING The Most Complete Line of Idler Sprockets. February 26th, 2021 Sprocket and Bevel Gear G. Check Lock Centers and adjust sprockets - Chain links will adjust to maintain nearest to current Sprocket Centers. View all Martin Sprocket and Gear, Inc. Made from high-grade steel and carbon steel. Free CAD and BIM blocks library - content for AutoCAD AutoCAD LT Revit Inventor Fusion 360 and other 2D and 3D CAD applications by Autodesk. Connect and transact with thousands of top North American companies today. Martin Sprocket and Gear Inc: Martin Sprocket & Gear, Inc. That means that a line with the length 10 can be 10 mm or 10 inches, depending on the selected part. CAD / 3D DRAWINGS. AutoCAD Visual LISP / AutoLISP:: Auto Update Of XY Coord In Model Space Onto Paper Space (Layout Tab) Block Nov 5, 2013. Please fill out all required fields before submitting your information. Teeth 4. Sticky photos 4" 30% larger than the original. CAD files can be found on individual product detail pages. Sticky photos 4" 30% larger than the original. CAD / 3D DRAWINGS. downloaded here. Download free 2D & 3D CAD Drawings for Martin stock sprockets. The following text offers the information and procedural steps necessary to engineer a CAD profile of the #25 pitch, 30 tooth sprocket found in the GEARS-IDS™ kit of parts. Minimum 2 years experience Setting up/ Programming a 3 axis CNC mill. Sprocket Martín 40b16. The shape of the tooth form is mathematically related to the Chain Pitch (P), the Number of Teeth on the Sprocket (N), and the Diameter of the Roller (Dr). Sprockets and chains are also used for power transmission from one shaft to another where slippage is not admissible, sprocket chains being used instead of belts or ropes and sprocket-wheels instead of pulleys. For a fast search using the part number 1352323050 - GEAR OR SPROCKET, CAMSHAFT TIMING. Download the model according to the specified sizing parameters in either 3D or 2D format. Minimum 2 years experience Setting up/ Programming a 3 axis CNC mill. Produce gloss 2. Having completed the critical design review and begun construction, Lockheed Martin's Space Fence team is currently focused on the production of technology that will bring the system online, and has recently reached a major design milestone by confirming the long-term reliability of Wolfspeed's GaN HPA technology, which is integral to meeting the project's. Open the catalog to page 1. Fax: (817) 258-3333 Business Type: Manufacturer, Service. Models are available for SolidWorks, AutoCAD & many other types of modeling software. Browning ® mounted ball and tapered roller bearings are designed to perform in a variety of industries worldwide and are available in a variety of sizes, housings and locking styles. Generate flat pattern work for laser cutting. Models are available for SolidWorks, AutoCAD & many other types of modeling software. Products must be available in many sizes, to fit a variety of design envelopes – and avoid the need for customised parts In addition to the standard sprockets, special sprockets may be available in the same styles Shop our selection of Agricultural Chain | Roller, Steel Detachable, Sprocket, Manure | Shoup Manufacturing Idlers do not affect the. 030 lbs: 217-3227: 24T x 9mm Wide Double Flange Aluminum Pulley (HTD 5mm, 1/2" Hex Bore) 6061-T6 Aluminum: STEP: PDF: 0 02 section b-b no draft *** please see additional cad geometry for toolpath information*** revisions. Martin. 75 in Minimum Bore, 3. 2D Right View. 030 lbs: 217-3227: 24T x 9mm Wide Double Flange Aluminum Pulley (HTD 5mm, 1/2" Hex Bore) 6061-T6 Aluminum: STEP: PDF: 0 02 section b-b no draft *** please see additional cad geometry for toolpath information*** revisions rev If you have a pulley that has a bore that is too small for your motor drive shaft it’s simply a matter of securing the. With over 60 years of sustainable growth, Martin is highly regarded for quality. in 2007. Face Width Bottom Dia. ASME identifies sprockets based on their size and pitch as well as general type. a #40 roller chain sprocket has a pitch of ½”) To use these functions create a. Aircraft Spruce supplies components for a wide variety of homebuilt aircraft including the Lancair, Vans Aircraft, and Cozy, as well as factory built parts for Cessna, Piper, Beech, and Mooney. Determine the sequence of machine operations and select the proper cutting tools needed to machine workpieces into the desired shapes. working knowledge of CAD . “We felt very lucky and we’re doing our part to help give back to kids. No one should go hungry. Product Resources and Documentation. Homepage 2. CAD /3D Drawings for Type E Bearings Cross Reference Instruction and Installation Manuals. A: The Lord bless you and keep you; the Lord lift his countenance upon you, and give you peace; the Lord make his face to shine upon you, and be gracious unto you. by Patrick McGuire. Style C - Sprocket with hub extension both sides. CAD / 3D DRAWINGS. CAD Drawings. grandeur noel collectors edition 2002 Fiction Writing. Roller chain sprockets engage chain drives in power transmission and conveyor systems, though sprockets can engage any perforated material. A: The Lord bless you and keep you; the Lord lift his countenance upon you, and give you peace; the Lord make his face to shine upon you, and be gracious unto you. Dimensioned Drawing;. Available in plate, single hub and double hub configurations. Sprocket wheel set Type N3/8" –10 S: 06 510 001: N3/8"–10 S: 35: ISO 06 B-1: 15: M10: 55: 20: 22 – 43 / 23 – 43:. As the beautiful images in this book. Steel is a popular choice when creating metal gears due to its high strength and low cost. Posted by peyati at 3:44 PM. com, sites. Martin Sprocket & Gear Scottdale, GA. CAD blocks and files can be downloaded in the formats DWG, RFA, IPT, F3D; Martin Ráèil; skp xsi 3ds dae dwg dxf fbx oth obj stl wrl > Compatible with exis. Support for Martin Sprocket & Gear: part number interchange, catalogs & brochures, safety & installation info. Listed maximum bore is with set screw at angle to keyway. Item # 50BB17H, Ball Bearing Idler Sprocket Hardened Teeth Request Information Email This Page Download PDF Printable Page VIEW CAD DRAWING 3D 2D Right View 2D ISO View 2D Sales Drawing DOWNLOADS Sprockets Information 638 Dim. PCS 50 / SS - DIN 08B-1 chain sprocket - Stainless steel - 1/2" Pitch - Rol. However, each hub has a different thickness, making the sprocket asymmetrical. Sprocket wheel set Type N1/2" –10. Martin catalogs. With over 60 years of sustainable growth, Martin is highly regarded for quality. Max RPM. However, each hub has a different thickness, making the sprocket asymmetrical. Double Roller Sprocket - Bored to Size - B Hub, 20 Teeth, 1 in Stock Bore, Steel Material. leads the power transmission, material handling and industrial hand tool industries through its network of 32 North American plants with a comprehensive stock product offering and unsurpassed MTO service. Search for: Browse by Category. 13 Sep, 2017. CAD Drawings. Products include: Garmin avionics, tools, charts, propellers, spruce, software, instruments, aircraft engines and parts, aviation headsets, landing gear. Martin. 13 Sep, 2017. Perfect fit, precise design, easy installation, and simple removal - that’s the quality you’ll find with Gates sprockets, engineered to optimize your Gates power transmission and belt drive systems. 1 2. In the Select Part Size dialog box, select the size of the chain. Jul 14, 2017 · Solidworks sprocket configuration. -Cost analysis and quoting of inter-branch projects. click here. Category View by: A-Z. Search the app by hashtag to seamlessly filter and print social media photos from your smartphone. Schedule: 1st Shift, Monday - Friday, 7:00 AM - 3:30 PM. com, which includes; 815 Chain Number, 25 Teeth, Without Hardened Teeth, 1 Strand, 1. Key Competencies: High School Graduate or GED. Dassault Systèmes 3D ContentCentral is a free library of thousands of high quality 3D CAD models from hundreds of suppliers. 12 июн. San Nicolás de los Garza, Nuevo León, México. Greater Toronto Area, Canada. For an pulsating tersely, the martin sprockets of clothos circus was stockinged by a prisonbreak of deliveryman. Generate detailed shop prints. Minimum 2 years experience Setting up/ Programming a 3 axis CNC mill. Shop Martin D140B23 at Applied. com portal is available free-of-charge to millions of CAD users worldwide. , 0. Bicycle BMX Sprockets 3ds Max + dwg fbx obj: $39. Products include: Garmin avionics, tools, charts, propellers, spruce, software, instruments, aircraft engines and parts, aviation headsets, landing gear. Made To Order Specialty Products Martin Semi-Steel 800 Series Conveyor Sprockets are A-2 Available for All your Flat Top Chain Needs. 030 lbs: 217-3227: 24T x 9mm Wide Double Flange Aluminum Pulley (HTD 5mm, 1/2" Hex Bore) 6061-T6 Aluminum: STEP: PDF: 0 02 section b-b no draft *** please see additional cad geometry for toolpath information*** revisions rev If you have a pulley that has a bore that is too small for your motor drive shaft it’s simply a matter of securing the. Menu Settings. Martin Engineering develops bulk material handling solutions including belt cleaners, dust management solutions, industrial vibrators worldwide. Martin Ráèil. Browse to a product detail page by searching for a specific product number using the search bar or by accessing our online. 030 lbs: 217-3227: 24T x 9mm Wide Double Flange Aluminum Pulley (HTD 5mm, 1/2" Hex Bore) 6061-T6 Aluminum: STEP: PDF: 0 02 section b-b no draft *** please see additional cad geometry for toolpath information*** revisions rev If you have a pulley that has a bore that is too small for your motor drive shaft it’s simply a matter of securing the. SOLIDWORKS, Rendering, February 23rd, 2021 Conveyor Belt For dewater. These sprockets have an extended hub that makes them more stable and durable than flat sprockets. Determine the sequence of machine operations and select the proper cutting tools needed to machine workpieces into the desired shapes. This method will produce an approximation of the gear tooth form well suited for assemblies and animations. Tooth forms in models and drawings are for representation only and should not be used for manufacturing purposes. Optional taper bushes simplify installation and removal. From Sprockets and Power Transmission components to Hand Tools, from Bucket Elevators to. Free CAD+BIM Blocks, Models, Symbols and Details Free CAD and BIM blocks library - content for AutoCAD, AutoCAD LT, Revit, Inventor, Fusion 360 and other 2D and 3D CAD applications by Autodesk. 75 to 8. In the workspace, add desired custom features as needed. Operator Manuals. PARTcommunity is a library for 2D & 3D CAD models of supplier and standard parts. Sign in. Get them for free on the #Martin website. 50, B Style,. Autocad 2012 Full Version 32 Bit Torrent on this. Free 3D CAD Models – Sprocket Models Now Available. dwg New & Unrated Price. Engineering Notes. Models in Martin Sprocket and Gear Inc Catalog. Martin Sprocket and Gear Inc (25) Bengtssons Maskin AB (22). leads the power transmission, material handling and industrial hand tool industries through its network of 32 North American plants with a comprehensive stock product offering and unsurpassed MTO service. CAD / 3D DRAWINGS. Martin Sprocket and Gear Inc: Martin Sprocket & Gear, Inc. Housed Units. com, sites. com Free 3D CAD Models – Sprocket Models Now Available Download free 2D & 3D CAD Drawings for Martin stock sprockets. With over 60 years of sustainable growth, Martin is highly regarded for quality. ASME identifies sprockets based on their size and pitch as well as general type. Mar 23, 2017 · Specifications. December 14, 2015 · Need CAD Models for #Sprockets? Get them for free on the #Martin website. February 26th, 2021 Sprocket and Bevel Gear G. With load capacities ranging from 2,500 to 36,000 lbs. USD 772. Martin sprocket cad drawings found at 3dcontentcentral. 50, B Style,. Martin Sprocket and Gear Inc: Martin Sprocket & Gear, Inc. PDF - Google Drive. Request a Quote Online Literature Injection Molded & Milled Plastic Products Martin manufactures plastic parts from a variety of materials and polymers. 154 1241. 750 pesos $ 750. With over 60 years of sustainable growth, Martin is highly regarded for quality. Open the catalog to page 1. com, sites. Martin A Style Sprockets Part Number 50A12, 50A112, 50A14, 50A13, 41A80, 41A72, 41A96, 41A84, 50A20, 50A19, 50A22, 50A21, 50A16, 50A15, 50A18, 50A17,. Open the catalog to page 2. 030 lbs: 217-3227: 24T x 9mm Wide Double Flange Aluminum Pulley (HTD 5mm, 1/2" Hex Bore) 6061-T6 Aluminum: STEP: PDF: 0 02 section b-b no draft *** please see additional cad geometry for. Models are available for SolidWorks, AutoCAD & many other types of modeling software. Sprockets , Ball Bearing Idler Sprockets , Stainless Steel Sprockets , Taper-Bushed and Q-Bushed Sprockets , Spur Gears, Timing Belt Pulleys, Synchronous Pulleys, Synchronous Read more. Produce gloss 2. MI ITEM NUMBER 00177798. used chicken plucker for sale craigslist, sun in 7th house in navamsa chart
This video displays a setting up of 61 chain links. . Martin sprocket cad drawings
Airplane; Anatomy;. Totally committed to meeting the individual needs of customers, Martin Sprocket & Gear now serves the V-belt industry. run length encoding binary. ca e-mail: info@tsubaki. MenuSettings Search Find 2D/3D CAD Drawings Search for: Browse by Category Bearings Couplings Conveying Gear PT Drive Also Available. Pitch Dia. Martin Sprocket & Gear. ORDER HISTORY. Welded B Sprocket - Bored to Size - B Hub, 24 Teeth, 1. For Single-Strand Roller Chain. Quote and order online today!. com permission to email you. Prophetstown, IL Custom Manufacturer* $1 - 4. LITERATURE & CATALOGS. CAD / 3D DRAWINGS. Work in other areas or departments as assigned. Sprocket No. In the Select a Chain dialog box, select the type of the chain. Style A - Flat sprocket with no hub extension either side. PCS 50 / SS - DIN 08B-1 chain sprocket - Stainless steel - 1/2" Pitch - Rol. patrol pdf photography piano plow pocket renaissance renke rent review river rooms saddle sale sand set shops singer sky sleeve south spider sprocket step stone street strocchi sun super tattoo. Having completed the critical design review and begun construction, Lockheed Martin's Space Fence team is currently focused on the production of technology that will bring the system online, and has recently reached a major design milestone by confirming the long-term reliability of Wolfspeed's GaN HPA technology, which is integral to meeting the project's. Perfect fit, precise design, easy installation, and simple removal - that’s the quality you’ll find with Gates sprockets, engineered to optimize your Gates power transmission and belt drive systems. CAD files for this product are currently unavailable. 3D ContentCentral - Free 3D CAD Models, 2D Drawings, and Supplier Catalogs Results 1-10 of 50 for martin sprocket Files from: Suppliers Plastic Suppliers Individual Contributors (supplier related) Individual Contributors (no supplier given) Supplier View by: A-Z Martin Sprocket and Gear Inc (30) User Library (20) Category View by: A-Z. blocco blocs blöcke family families symbols details parts models modellen geometry elements entourage cell cells drawing bibliotheque theme category. Support for Martin Sprocket & Gear: part number interchange, catalogs & brochures, safety & installation info. Understand the operation of electrical controls, components, and correctly display functionality on the CAD drawings with minimal help from an Engineer. Design, or CAD drawing; At least one year of experience in programming a. Click on the part number for instant access to product specifications, 3D CAD. 625" plain bore All dimensions are nominal values and for reference only Specifications | Chain Technical Data Specifications. , Ltd. The name 'sprocket' applies generally to any wheel upon which radial projections engage a chain passing over it. Open the catalog to page 1. Models are available for SolidWorks, AutoCAD & many other types of modeling software. 50, B Style,. Optional taper bushes simplify installation and removal. Chain drives can produce a mechanical advantage as speed. leads the power transmission, material handling and industrial hand tool industries through its network of 32 North American plants with a comprehensive stock product offering and unsurpassed MTO service. Call: 800. com Free 3D CAD Models – Sprocket Models Now Available Download free 2D & 3D CAD Drawings for Martin stock sprockets. This video displays a setting up of 61 chain links. Product overview. As a civil designer, Map 3D is my go-to toolset of the group and with it. Related: Precision Sprockets Caliper Diameters per ANSI/ASME B29. Generate shop detail prints. List your products or services on Engineering360. The following text offers the information and procedural steps necessary to engineer a CAD profile of the #25 pitch, 30 tooth sprocket found in the GEARS-IDS™ kit of parts. Totally committed to meeting the individual needs of customers, Martin Sprocket & Gear now serves the V-belt industry. Martin is an American television sitcom that aired for five seasons on Fox from August 27, 1992, to May 1, 1997. 2012 Size: 22. Phone: 800-523-2576 / 215-542-9000 Fax: 800-635-6273 / 215-542-0355 ©Rush Gears inc. 516 in Outside Diameter,2517 Bushing Series. Tsubaki manufactures sprockets from the highest quality, heat treated steel to take on any challenges an application may present. 80 Chain Sprockets are manufactured in accordance with ANSI B29. Sprocket z18 for chain. She depone in. North America. skp xsi 3ds dae dwg dxf fbx oth obj stl wrl. Sprocket and Bevel Gear G. CAD blocks and files can be downloaded in the formats DWG, RFA, IPT, F3D. 81X sprockets work with chain sizes: 81X, 81XH, 81XHH, 81XHD, 81XXHD, 81XHS, 81X-RT, 81XHT. Shop our david stone martin selection from top sellers. Style D - Sprocket with a detachable bolt on hub attached to a plate. Martin catalogs. 6070 PSC Code 3020. Roller chain sprockets engage chain drives in power transmission and conveyor systems, though sprockets can engage any perforated material. Being manufactured to The American National Standards Institutes dimensions means that these sprockets directly interchange with other manufacturers. Buy Martin 80SK17 Bushing Bore Roller Chain Sprocket - QD, 80 / 1 in, 17 Teeth, SK Bushing, Steel Material at Motion Industries. Martin Sprocket and Gear Inc: Martin Sprocket & Gear, Inc. Minimum 2 years experience Setting up/ Programming a 3 axis CNC mill. Chain tensioners for roller chains (DIN) Mini-tensioner with arc segment profile. Offering vast inventories & local field support. • Bore Style: with Finished Bore. Some advantages of using computer aided designs include time saving, avoiding costly mistakes and improving the quality of design. 030 lbs: 217-3227: 24T x 9mm Wide Double Flange Aluminum Pulley (HTD 5mm, 1/2" Hex Bore) 6061-T6 Aluminum: STEP: PDF: 0 02 section b-b no draft *** please see additional cad geometry for toolpath information*** revisions. Work in other areas or departments as assigned. Martin SprocketTEB6BR. Pulleys with nonstandard diameters or of special design are available custom-made to your drawings. Standard Drill Sizes. Martin sprocket cad drawings found at 3dcontentcentral. All meet ISO 606 (formerly DIN 8187), which is an international standard for sprocket and roller chain dimensions and materials. 8 Thousand at KeyOptimize. 030 lbs: 217-3227: 24T x 9mm Wide Double Flange Aluminum Pulley (HTD 5mm, 1/2" Hex Bore) 6061-T6 Aluminum: STEP: PDF: 0 02 section b-b no draft *** please see additional cad geometry for toolpath information*** revisions. Enter Part #. Send Cancel. Search for: Browse by Category. Engineered Bearings. In Stock. Amen, amen, amen Amen, amen, amen. All chains come with solid bush and roller, with fully heat-treated components and are manufactured to commercial standards for clearance, fits and limits. Type C offset or Type D sprockets, which also have two hubs. Work in other areas or departments as assigned. SOLIDWORKS × Tag: generator ×. Sprocket Martin 50bb15h 5/8 Ball Bearing Idler. Dictionary & Knowledge about 2D CAD downloads & 3D CAD parts & 3D Step files. MI ITEM NUMBER 00165461. MI ITEM NUMBER 00177798. Martin Sprocket & Gear 12XL037, Polea dentada | 3D CAD Model Library | GrabCAD Join 9,170,000 engineers with over 4,770,000 free CAD files Join the Community The CAD files and renderings posted to this website are created, uploaded and managed by third-party community members. Caterpillar forklift models. Rexnord's 2D/3D CAD Drawings are used for design and technical documentation, which replaces manual drafting with a easy automated process. Millions of users download 3D and 2D CAD files everyday. 7 ★ Engineer/Drafter Mississauga $47K - $53K ( Glassdoor Est. Enter Part #. Supplier Website. 75 to 8. Please contact our engineering department at 800-523-2576 or email us to discuss this service. Recent All time. 1 Standards and are made for 1" pitch 80 and heavy-duty 80H roller chains. com, sites. However, each hub has a different thickness, making the sprocket asymmetrical. February 26th, 2021 Sprocket and Bevel Gear G. . chicago accuweather monthly