Tenders Are Invited For Printing Machinery – Acquisition Of A Concrete 3D Printer

Printing Machinery – Acquisition Of A Concrete 3D Printer. This Contract Concerns The Acquisition Of A 3D Printer For Cementitious Materials (Concrete, Mortars, Cement Grout) And/Or Similar Materials (Micro Earth Concrete, Geopolymers, Clays, Etc.) Allowing The Creation Of Structures And Objects In A Printing Volume Of +/- 2.5M³. The System Must Be Complete And Provided With All The Devices Necessary For Producing Prints: Printers, Reservoir For Printable Material, Pumping Device, Connection Piping, Interchangeable Nozzles And Integrated Or Remote Control System With Dedicated Software. Delivery, Installation, Commissioning And User Training At The Site Of Use Must Be Included In This Contract. The Detailed Description Of The Expected Services: Description Of The Printer: - The Printing Plate Must Be At Least 2.5 M² (Approximately 2.5M X 1M Or Equivalent). - The Printing Height Must Be 1M Minimum. - Printing Layer Height Variable From 5Mm To 20Mm. - Variable Printing Speed That Can Reach Speeds Of 300 To 400 Mm/S (Or More). - Printing Layer Width Variable From 20Mm To 100Mm. - The Precision Of Material Deposition (Width, Length, Thickness) Less Than 1Mm Along The 3 Axes. - Interchangeable Printing Nozzles. - A Pumping System Integrated Or Attached To The Printer With Variable Printing Speed Including A Cleaning Device Or Kit. - A Tank (In A Hopper) Of 1M³ Minimum. - An Integrated Control Screen With The Possibility Of Connecting A Usb Key Or An External Computer With The Possibility Of Importing And Exporting Data. Specify The Format In The Offer. - Software Allowing The Preparation And Cutting Of Models To Be Printed. Printer Features: - The Possibility Of Using Different Printing Materials: Cement Mortars Or Geopolymer Mortars Or Clays/Micro Earth Concretes, Etc. Specify Possible Compatibilities And Potential Incompatibilities In The Offer. - The Possibility Of Printing With Fiber Materials. Specify The Type Of Compatible Fibers (Synthetic, Metallic, Vegetable, Other Fibers, Etc.). Commissioning Of The Printer: - Installation And Training Of 3 To 4 People In The Use Of The 3D Printer On The La Rochelle University Site. - A Ce Certificate Of Conformity.